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Finding the Fourth Proportional to 159,995.52, 220,691.52 and 96,353.28

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Solution

The fourth proportional to 159,995.52, 220,691.52 and 96,353.28 is: 132,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,995.52 : 220,691.52 = 96,353.28 : x
  2. Step 2: Convert to fraction form
    159,995.52/220,691.52 = 96,353.28/x
  3. Step 3: Cross multiply
    159,995.52x = 220,691.52 × 96,353.28
  4. Step 4: Simplify right side
    159,995.52x = 21,264,351,820.19
  5. Step 5: Solve for x
    x = 21,264,351,820.19/159,995.52
  6. Step 6: Final answer
    x = 132,905.92

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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.