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Finding the Fourth Proportional to 132,902.52, 199,304.10 and 53,990.16

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Solution

The fourth proportional to 132,902.52, 199,304.10 and 53,990.16 is: 80,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,902.52 : 199,304.10 = 53,990.16 : x
  2. Step 2: Convert to fraction form
    132,902.52/199,304.10 = 53,990.16/x
  3. Step 3: Cross multiply
    132,902.52x = 199,304.10 × 53,990.16
  4. Step 4: Simplify right side
    132,902.52x = 10,760,460,247.66
  5. Step 5: Solve for x
    x = 10,760,460,247.66/132,902.52
  6. Step 6: Final answer
    x = 80,965.06

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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.