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Finding the Fourth Proportional to 125,612.66, 188,265.69 and 58,963.83

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Solution

The fourth proportional to 125,612.66, 188,265.69 and 58,963.83 is: 88,373.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,612.66 : 188,265.69 = 58,963.83 : x
  2. Step 2: Convert to fraction form
    125,612.66/188,265.69 = 58,963.83/x
  3. Step 3: Cross multiply
    125,612.66x = 188,265.69 × 58,963.83
  4. Step 4: Simplify right side
    125,612.66x = 11,100,866,139.99
  5. Step 5: Solve for x
    x = 11,100,866,139.99/125,612.66
  6. Step 6: Final answer
    x = 88,373.79

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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.