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Finding the Fourth Proportional to 125,306.49, 187,980.80 and 62,129.73

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Solution

The fourth proportional to 125,306.49, 187,980.80 and 62,129.73 is: 93,205.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,306.49 : 187,980.80 = 62,129.73 : x
  2. Step 2: Convert to fraction form
    125,306.49/187,980.80 = 62,129.73/x
  3. Step 3: Cross multiply
    125,306.49x = 187,980.80 × 62,129.73
  4. Step 4: Simplify right side
    125,306.49x = 11,679,197,092.94
  5. Step 5: Solve for x
    x = 11,679,197,092.94/125,306.49
  6. Step 6: Final answer
    x = 93,205.04

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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.