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Finding the Fourth Proportional to 59,059,586.80, 82,481,867.60 and 59,059,586.80

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Solution

The fourth proportional to 59,059,586.80, 82,481,867.60 and 59,059,586.80 is: 82,481,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,059,586.80 : 82,481,867.60 = 59,059,586.80 : x
  2. Step 2: Convert to fraction form
    59,059,586.80/82,481,867.60 = 59,059,586.80/x
  3. Step 3: Cross multiply
    59,059,586.80x = 82,481,867.60 × 59,059,586.80
  4. Step 4: Simplify right side
    59,059,586.80x = 4,871,345,018,948,307
  5. Step 5: Solve for x
    x = 4,871,345,018,948,307/59,059,586.80
  6. Step 6: Final answer
    x = 82,481,867.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.