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Finding the Fourth Proportional to 132,185.88, 182,411.10 and 71,754.18

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Solution

The fourth proportional to 132,185.88, 182,411.10 and 71,754.18 is: 99,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,185.88 : 182,411.10 = 71,754.18 : x
  2. Step 2: Convert to fraction form
    132,185.88/182,411.10 = 71,754.18/x
  3. Step 3: Cross multiply
    132,185.88x = 182,411.10 × 71,754.18
  4. Step 4: Simplify right side
    132,185.88x = 13,088,758,903.40
  5. Step 5: Solve for x
    x = 13,088,758,903.40/132,185.88
  6. Step 6: Final answer
    x = 99,017.83

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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.