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Finding the Fourth Proportional to 103,984, 155,992.20 and 33,846.76

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Solution

The fourth proportional to 103,984, 155,992.20 and 33,846.76 is: 50,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,984 : 155,992.20 = 33,846.76 : x
  2. Step 2: Convert to fraction form
    103,984/155,992.20 = 33,846.76/x
  3. Step 3: Cross multiply
    103,984x = 155,992.20 × 33,846.76
  4. Step 4: Simplify right side
    103,984x = 5,279,830,555.27
  5. Step 5: Solve for x
    x = 5,279,830,555.27/103,984
  6. Step 6: Final answer
    x = 50,775.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.