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Finding the Fourth Proportional to 132,451.56, 182,782.17 and 72,022.14

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Solution

The fourth proportional to 132,451.56, 182,782.17 and 72,022.14 is: 99,390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,451.56 : 182,782.17 = 72,022.14 : x
  2. Step 2: Convert to fraction form
    132,451.56/182,782.17 = 72,022.14/x
  3. Step 3: Cross multiply
    132,451.56x = 182,782.17 × 72,022.14
  4. Step 4: Simplify right side
    132,451.56x = 13,164,363,037.24
  5. Step 5: Solve for x
    x = 13,164,363,037.24/132,451.56
  6. Step 6: Final answer
    x = 99,390.02

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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.