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Finding the Fourth Proportional to 132,196.12, 182,432.04 and 71,767.32

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Solution

The fourth proportional to 132,196.12, 182,432.04 and 71,767.32 is: 99,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,196.12 : 182,432.04 = 71,767.32 : x
  2. Step 2: Convert to fraction form
    132,196.12/182,432.04 = 71,767.32/x
  3. Step 3: Cross multiply
    132,196.12x = 182,432.04 × 71,767.32
  4. Step 4: Simplify right side
    132,196.12x = 13,092,658,592.93
  5. Step 5: Solve for x
    x = 13,092,658,592.93/132,196.12
  6. Step 6: Final answer
    x = 99,039.66

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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.