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Finding the Fourth Proportional to 160,124.91, 240,221.67 and 47,813.97

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Solution

The fourth proportional to 160,124.91, 240,221.67 and 47,813.97 is: 71,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,124.91 : 240,221.67 = 47,813.97 : x
  2. Step 2: Convert to fraction form
    160,124.91/240,221.67 = 47,813.97/x
  3. Step 3: Cross multiply
    160,124.91x = 240,221.67 × 47,813.97
  4. Step 4: Simplify right side
    160,124.91x = 11,485,951,722.73
  5. Step 5: Solve for x
    x = 11,485,951,722.73/160,124.91
  6. Step 6: Final answer
    x = 71,731.20

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1.5x scale

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.