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Finding the Fourth Proportional to 125,600.85, 188,417.61 and 41,369.63

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Solution

The fourth proportional to 125,600.85, 188,417.61 and 41,369.63 is: 62,059.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,600.85 : 188,417.61 = 41,369.63 : x
  2. Step 2: Convert to fraction form
    125,600.85/188,417.61 = 41,369.63/x
  3. Step 3: Cross multiply
    125,600.85x = 188,417.61 × 41,369.63
  4. Step 4: Simplify right side
    125,600.85x = 7,794,765,869.10
  5. Step 5: Solve for x
    x = 7,794,765,869.10/125,600.85
  6. Step 6: Final answer
    x = 62,059.82

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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.