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Finding the Fourth Proportional to 123,737.40, 185,606.10 and 94,212.90

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Solution

The fourth proportional to 123,737.40, 185,606.10 and 94,212.90 is: 141,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,737.40 : 185,606.10 = 94,212.90 : x
  2. Step 2: Convert to fraction form
    123,737.40/185,606.10 = 94,212.90/x
  3. Step 3: Cross multiply
    123,737.40x = 185,606.10 × 94,212.90
  4. Step 4: Simplify right side
    123,737.40x = 17,486,488,938.69
  5. Step 5: Solve for x
    x = 17,486,488,938.69/123,737.40
  6. Step 6: Final answer
    x = 141,319.35

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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.