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Finding the Fourth Proportional to 244,611.92, 366,972.96 and 86,840.12

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Solution

The fourth proportional to 244,611.92, 366,972.96 and 86,840.12 is: 130,279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,611.92 : 366,972.96 = 86,840.12 : x
  2. Step 2: Convert to fraction form
    244,611.92/366,972.96 = 86,840.12/x
  3. Step 3: Cross multiply
    244,611.92x = 366,972.96 × 86,840.12
  4. Step 4: Simplify right side
    244,611.92x = 31,867,975,883.16
  5. Step 5: Solve for x
    x = 31,867,975,883.16/244,611.92
  6. Step 6: Final answer
    x = 130,279.73

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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.