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Finding the Fourth Proportional to 125,027.85, 187,410.54 and 89,948.37

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Solution

The fourth proportional to 125,027.85, 187,410.54 and 89,948.37 is: 134,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,027.85 : 187,410.54 = 89,948.37 : x
  2. Step 2: Convert to fraction form
    125,027.85/187,410.54 = 89,948.37/x
  3. Step 3: Cross multiply
    125,027.85x = 187,410.54 × 89,948.37
  4. Step 4: Simplify right side
    125,027.85x = 16,857,272,593.82
  5. Step 5: Solve for x
    x = 16,857,272,593.82/125,027.85
  6. Step 6: Final answer
    x = 134,828.14

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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.