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Finding the Fourth Proportional to 224,912.40, 337,314.60 and 129,937.20

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Solution

The fourth proportional to 224,912.40, 337,314.60 and 129,937.20 is: 194,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,912.40 : 337,314.60 = 129,937.20 : x
  2. Step 2: Convert to fraction form
    224,912.40/337,314.60 = 129,937.20/x
  3. Step 3: Cross multiply
    224,912.40x = 337,314.60 × 129,937.20
  4. Step 4: Simplify right side
    224,912.40x = 43,829,714,643.12
  5. Step 5: Solve for x
    x = 43,829,714,643.12/224,912.40
  6. Step 6: Final answer
    x = 194,874.60

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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.