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Finding the Fourth Proportional to 159,069.33, 219,502.62 and 93,647.78

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Solution

The fourth proportional to 159,069.33, 219,502.62 and 93,647.78 is: 129,226.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,069.33 : 219,502.62 = 93,647.78 : x
  2. Step 2: Convert to fraction form
    159,069.33/219,502.62 = 93,647.78/x
  3. Step 3: Cross multiply
    159,069.33x = 219,502.62 × 93,647.78
  4. Step 4: Simplify right side
    159,069.33x = 20,555,932,320.85
  5. Step 5: Solve for x
    x = 20,555,932,320.85/159,069.33
  6. Step 6: Final answer
    x = 129,226.24

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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.