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Finding the Fourth Proportional to 125,658.63, 188,217.41 and 58,998.87

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Solution

The fourth proportional to 125,658.63, 188,217.41 and 58,998.87 is: 88,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,658.63 : 188,217.41 = 58,998.87 : x
  2. Step 2: Convert to fraction form
    125,658.63/188,217.41 = 58,998.87/x
  3. Step 3: Cross multiply
    125,658.63x = 188,217.41 × 58,998.87
  4. Step 4: Simplify right side
    125,658.63x = 11,104,614,209.33
  5. Step 5: Solve for x
    x = 11,104,614,209.33/125,658.63
  6. Step 6: Final answer
    x = 88,371.28

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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.