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Finding the Fourth Proportional to 159,489.64, 239,225.82 and 48,673

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Solution

The fourth proportional to 159,489.64, 239,225.82 and 48,673 is: 73,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,489.64 : 239,225.82 = 48,673 : x
  2. Step 2: Convert to fraction form
    159,489.64/239,225.82 = 48,673/x
  3. Step 3: Cross multiply
    159,489.64x = 239,225.82 × 48,673
  4. Step 4: Simplify right side
    159,489.64x = 11,643,838,336.86
  5. Step 5: Solve for x
    x = 11,643,838,336.86/159,489.64
  6. Step 6: Final answer
    x = 73,006.86

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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.