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Finding the Fourth Proportional to 125,538.96, 173,242.98 and 75,237.96

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Solution

The fourth proportional to 125,538.96, 173,242.98 and 75,237.96 is: 103,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,538.96 : 173,242.98 = 75,237.96 : x
  2. Step 2: Convert to fraction form
    125,538.96/173,242.98 = 75,237.96/x
  3. Step 3: Cross multiply
    125,538.96x = 173,242.98 × 75,237.96
  4. Step 4: Simplify right side
    125,538.96x = 13,034,448,399.52
  5. Step 5: Solve for x
    x = 13,034,448,399.52/125,538.96
  6. Step 6: Final answer
    x = 103,827.91

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