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Finding the Fourth Proportional to 132,323.48, 198,484.91 and 57,433.91

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Solution

The fourth proportional to 132,323.48, 198,484.91 and 57,433.91 is: 86,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,323.48 : 198,484.91 = 57,433.91 : x
  2. Step 2: Convert to fraction form
    132,323.48/198,484.91 = 57,433.91/x
  3. Step 3: Cross multiply
    132,323.48x = 198,484.91 × 57,433.91
  4. Step 4: Simplify right side
    132,323.48x = 11,399,764,170.13
  5. Step 5: Solve for x
    x = 11,399,764,170.13/132,323.48
  6. Step 6: Final answer
    x = 86,150.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.