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Finding the Fourth Proportional to 247,306.60, 370,959.90 and 158,733.10

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Solution

The fourth proportional to 247,306.60, 370,959.90 and 158,733.10 is: 238,099.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,306.60 : 370,959.90 = 158,733.10 : x
  2. Step 2: Convert to fraction form
    247,306.60/370,959.90 = 158,733.10/x
  3. Step 3: Cross multiply
    247,306.60x = 370,959.90 × 158,733.10
  4. Step 4: Simplify right side
    247,306.60x = 58,883,614,902.69
  5. Step 5: Solve for x
    x = 58,883,614,902.69/247,306.60
  6. Step 6: Final answer
    x = 238,099.65

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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.