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Finding the Fourth Proportional to 159,925.72, 220,724.04 and 95,403.28

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Solution

The fourth proportional to 159,925.72, 220,724.04 and 95,403.28 is: 131,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,925.72 : 220,724.04 = 95,403.28 : x
  2. Step 2: Convert to fraction form
    159,925.72/220,724.04 = 95,403.28/x
  3. Step 3: Cross multiply
    159,925.72x = 220,724.04 × 95,403.28
  4. Step 4: Simplify right side
    159,925.72x = 21,057,797,390.85
  5. Step 5: Solve for x
    x = 21,057,797,390.85/159,925.72
  6. Step 6: Final answer
    x = 131,672.36

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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.