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Finding the Fourth Proportional to 125,396.16, 173,014.56 and 75,059.52

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Solution

The fourth proportional to 125,396.16, 173,014.56 and 75,059.52 is: 103,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,396.16 : 173,014.56 = 75,059.52 : x
  2. Step 2: Convert to fraction form
    125,396.16/173,014.56 = 75,059.52/x
  3. Step 3: Cross multiply
    125,396.16x = 173,014.56 × 75,059.52
  4. Step 4: Simplify right side
    125,396.16x = 12,986,389,826.61
  5. Step 5: Solve for x
    x = 12,986,389,826.61/125,396.16
  6. Step 6: Final answer
    x = 103,562.90

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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.