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Finding the Fourth Proportional to 234,452.40, 323,543.88 and 127,025.16

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Solution

The fourth proportional to 234,452.40, 323,543.88 and 127,025.16 is: 175,294.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,452.40 : 323,543.88 = 127,025.16 : x
  2. Step 2: Convert to fraction form
    234,452.40/323,543.88 = 127,025.16/x
  3. Step 3: Cross multiply
    234,452.40x = 323,543.88 × 127,025.16
  4. Step 4: Simplify right side
    234,452.40x = 41,098,213,124.02
  5. Step 5: Solve for x
    x = 41,098,213,124.02/234,452.40
  6. Step 6: Final answer
    x = 175,294.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.