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Finding the Fourth Proportional to 159,797.56, 220,547.46 and 96,141.28

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Solution

The fourth proportional to 159,797.56, 220,547.46 and 96,141.28 is: 132,691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,797.56 : 220,547.46 = 96,141.28 : x
  2. Step 2: Convert to fraction form
    159,797.56/220,547.46 = 96,141.28/x
  3. Step 3: Cross multiply
    159,797.56x = 220,547.46 × 96,141.28
  4. Step 4: Simplify right side
    159,797.56x = 21,203,715,105.15
  5. Step 5: Solve for x
    x = 21,203,715,105.15/159,797.56
  6. Step 6: Final answer
    x = 132,691.11

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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.