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Finding the Fourth Proportional to 160,008.87, 239,944.91 and 54,838.47

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Solution

The fourth proportional to 160,008.87, 239,944.91 and 54,838.47 is: 82,234.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,008.87 : 239,944.91 = 54,838.47 : x
  2. Step 2: Convert to fraction form
    160,008.87/239,944.91 = 54,838.47/x
  3. Step 3: Cross multiply
    160,008.87x = 239,944.91 × 54,838.47
  4. Step 4: Simplify right side
    160,008.87x = 13,158,211,474.50
  5. Step 5: Solve for x
    x = 13,158,211,474.50/160,008.87
  6. Step 6: Final answer
    x = 82,234.26

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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.