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Finding the Fourth Proportional to 159,099.73, 219,605.06 and 104,693.85

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Solution

The fourth proportional to 159,099.73, 219,605.06 and 104,693.85 is: 144,508.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,099.73 : 219,605.06 = 104,693.85 : x
  2. Step 2: Convert to fraction form
    159,099.73/219,605.06 = 104,693.85/x
  3. Step 3: Cross multiply
    159,099.73x = 219,605.06 × 104,693.85
  4. Step 4: Simplify right side
    159,099.73x = 22,991,299,472.62
  5. Step 5: Solve for x
    x = 22,991,299,472.62/159,099.73
  6. Step 6: Final answer
    x = 144,508.73

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1.5x scale

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.