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Finding the Fourth Proportional to 125,539.96, 173,244.36 and 75,238.96

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Solution

The fourth proportional to 125,539.96, 173,244.36 and 75,238.96 is: 103,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,539.96 : 173,244.36 = 75,238.96 : x
  2. Step 2: Convert to fraction form
    125,539.96/173,244.36 = 75,238.96/x
  3. Step 3: Cross multiply
    125,539.96x = 173,244.36 × 75,238.96
  4. Step 4: Simplify right side
    125,539.96x = 13,034,725,472.27
  5. Step 5: Solve for x
    x = 13,034,725,472.27/125,539.96
  6. Step 6: Final answer
    x = 103,829.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.