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Finding the Fourth Proportional to 224,999.40, 337,499.10 and 91,792.20

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Solution

The fourth proportional to 224,999.40, 337,499.10 and 91,792.20 is: 137,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,999.40 : 337,499.10 = 91,792.20 : x
  2. Step 2: Convert to fraction form
    224,999.40/337,499.10 = 91,792.20/x
  3. Step 3: Cross multiply
    224,999.40x = 337,499.10 × 91,792.20
  4. Step 4: Simplify right side
    224,999.40x = 30,979,784,887.02
  5. Step 5: Solve for x
    x = 30,979,784,887.02/224,999.40
  6. Step 6: Final answer
    x = 137,688.30

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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.