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Finding the Fourth Proportional to 160,137.76, 240,292.29 and 103,964.66

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Solution

The fourth proportional to 160,137.76, 240,292.29 and 103,964.66 is: 156,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,137.76 : 240,292.29 = 103,964.66 : x
  2. Step 2: Convert to fraction form
    160,137.76/240,292.29 = 103,964.66/x
  3. Step 3: Cross multiply
    160,137.76x = 240,292.29 × 103,964.66
  4. Step 4: Simplify right side
    160,137.76x = 24,981,906,230.47
  5. Step 5: Solve for x
    x = 24,981,906,230.47/160,137.76
  6. Step 6: Final answer
    x = 156,002.60

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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.