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Finding the Fourth Proportional to 159,710.70, 220,392.87 and 96,036.18

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Solution

The fourth proportional to 159,710.70, 220,392.87 and 96,036.18 is: 132,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,710.70 : 220,392.87 = 96,036.18 : x
  2. Step 2: Convert to fraction form
    159,710.70/220,392.87 = 96,036.18/x
  3. Step 3: Cross multiply
    159,710.70x = 220,392.87 × 96,036.18
  4. Step 4: Simplify right side
    159,710.70x = 21,165,689,334.04
  5. Step 5: Solve for x
    x = 21,165,689,334.04/159,710.70
  6. Step 6: Final answer
    x = 132,525.18

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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.