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Finding the Fourth Proportional to 84,662.12, 127,014.34 and 59,750.80

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Solution

The fourth proportional to 84,662.12, 127,014.34 and 59,750.80 is: 89,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,662.12 : 127,014.34 = 59,750.80 : x
  2. Step 2: Convert to fraction form
    84,662.12/127,014.34 = 59,750.80/x
  3. Step 3: Cross multiply
    84,662.12x = 127,014.34 × 59,750.80
  4. Step 4: Simplify right side
    84,662.12x = 7,589,208,426.47
  5. Step 5: Solve for x
    x = 7,589,208,426.47/84,662.12
  6. Step 6: Final answer
    x = 89,641.13

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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.