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Finding the Fourth Proportional to 132,274.08, 182,542.32 and 75,703.68

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Solution

The fourth proportional to 132,274.08, 182,542.32 and 75,703.68 is: 104,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,274.08 : 182,542.32 = 75,703.68 : x
  2. Step 2: Convert to fraction form
    132,274.08/182,542.32 = 75,703.68/x
  3. Step 3: Cross multiply
    132,274.08x = 182,542.32 × 75,703.68
  4. Step 4: Simplify right side
    132,274.08x = 13,819,125,379.74
  5. Step 5: Solve for x
    x = 13,819,125,379.74/132,274.08
  6. Step 6: Final answer
    x = 104,473.42

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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.