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Finding the Fourth Proportional to 125,618.59, 188,387.39 and 41,358.69

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Solution

The fourth proportional to 125,618.59, 188,387.39 and 41,358.69 is: 62,024.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,618.59 : 188,387.39 = 41,358.69 : x
  2. Step 2: Convert to fraction form
    125,618.59/188,387.39 = 41,358.69/x
  3. Step 3: Cross multiply
    125,618.59x = 188,387.39 × 41,358.69
  4. Step 4: Simplify right side
    125,618.59x = 7,791,455,341.99
  5. Step 5: Solve for x
    x = 7,791,455,341.99/125,618.59
  6. Step 6: Final answer
    x = 62,024.70

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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.