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Finding the Fourth Proportional to 125,179.20, 187,423.20 and 97,531.20

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Solution

The fourth proportional to 125,179.20, 187,423.20 and 97,531.20 is: 146,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,179.20 : 187,423.20 = 97,531.20 : x
  2. Step 2: Convert to fraction form
    125,179.20/187,423.20 = 97,531.20/x
  3. Step 3: Cross multiply
    125,179.20x = 187,423.20 × 97,531.20
  4. Step 4: Simplify right side
    125,179.20x = 18,279,609,603.84
  5. Step 5: Solve for x
    x = 18,279,609,603.84/125,179.20
  6. Step 6: Final answer
    x = 146,027.53

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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.