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Finding the Fourth Proportional to 132,381.71, 182,687.98 and 71,952.49

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Solution

The fourth proportional to 132,381.71, 182,687.98 and 71,952.49 is: 99,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,381.71 : 182,687.98 = 71,952.49 : x
  2. Step 2: Convert to fraction form
    132,381.71/182,687.98 = 71,952.49/x
  3. Step 3: Cross multiply
    132,381.71x = 182,687.98 × 71,952.49
  4. Step 4: Simplify right side
    132,381.71x = 13,144,855,054.07
  5. Step 5: Solve for x
    x = 13,144,855,054.07/132,381.71
  6. Step 6: Final answer
    x = 99,295.10

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Why These Related Problems?

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