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Finding the Fourth Proportional to 147,861.92, 221,856.44 and 48,052.71

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Solution

The fourth proportional to 147,861.92, 221,856.44 and 48,052.71 is: 72,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,861.92 : 221,856.44 = 48,052.71 : x
  2. Step 2: Convert to fraction form
    147,861.92/221,856.44 = 48,052.71/x
  3. Step 3: Cross multiply
    147,861.92x = 221,856.44 × 48,052.71
  4. Step 4: Simplify right side
    147,861.92x = 10,660,802,932.69
  5. Step 5: Solve for x
    x = 10,660,802,932.69/147,861.92
  6. Step 6: Final answer
    x = 72,099.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.