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Finding the Fourth Proportional to 160,618.87, 240,909.17 and 42,299.44

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Solution

The fourth proportional to 160,618.87, 240,909.17 and 42,299.44 is: 63,444.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,618.87 : 240,909.17 = 42,299.44 : x
  2. Step 2: Convert to fraction form
    160,618.87/240,909.17 = 42,299.44/x
  3. Step 3: Cross multiply
    160,618.87x = 240,909.17 × 42,299.44
  4. Step 4: Simplify right side
    160,618.87x = 10,190,322,981.86
  5. Step 5: Solve for x
    x = 10,190,322,981.86/160,618.87
  6. Step 6: Final answer
    x = 63,444.12

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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.