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Finding the Fourth Proportional to 132,871.57, 183,354.86 and 75,502.92

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Solution

The fourth proportional to 132,871.57, 183,354.86 and 75,502.92 is: 104,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,871.57 : 183,354.86 = 75,502.92 : x
  2. Step 2: Convert to fraction form
    132,871.57/183,354.86 = 75,502.92/x
  3. Step 3: Cross multiply
    132,871.57x = 183,354.86 × 75,502.92
  4. Step 4: Simplify right side
    132,871.57x = 13,843,828,202.53
  5. Step 5: Solve for x
    x = 13,843,828,202.53/132,871.57
  6. Step 6: Final answer
    x = 104,189.55

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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.