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Finding the Fourth Proportional to 132,258.52, 182,411.24 and 86,982.99

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Solution

The fourth proportional to 132,258.52, 182,411.24 and 86,982.99 is: 119,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,258.52 : 182,411.24 = 86,982.99 : x
  2. Step 2: Convert to fraction form
    132,258.52/182,411.24 = 86,982.99/x
  3. Step 3: Cross multiply
    132,258.52x = 182,411.24 × 86,982.99
  4. Step 4: Simplify right side
    132,258.52x = 15,866,674,948.16
  5. Step 5: Solve for x
    x = 15,866,674,948.16/132,258.52
  6. Step 6: Final answer
    x = 119,967.13

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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.