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Finding the Fourth Proportional to 125,052.34, 187,593.94 and 40,789.98

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Solution

The fourth proportional to 125,052.34, 187,593.94 and 40,789.98 is: 61,190.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,052.34 : 187,593.94 = 40,789.98 : x
  2. Step 2: Convert to fraction form
    125,052.34/187,593.94 = 40,789.98/x
  3. Step 3: Cross multiply
    125,052.34x = 187,593.94 × 40,789.98
  4. Step 4: Simplify right side
    125,052.34x = 7,651,952,489.76
  5. Step 5: Solve for x
    x = 7,651,952,489.76/125,052.34
  6. Step 6: Final answer
    x = 61,190.00

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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.