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Finding the Fourth Proportional to 391,150.04, 586,630.22 and 106,841.92

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Solution

The fourth proportional to 391,150.04, 586,630.22 and 106,841.92 is: 160,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,150.04 : 586,630.22 = 106,841.92 : x
  2. Step 2: Convert to fraction form
    391,150.04/586,630.22 = 106,841.92/x
  3. Step 3: Cross multiply
    391,150.04x = 586,630.22 × 106,841.92
  4. Step 4: Simplify right side
    391,150.04x = 62,676,699,034.82
  5. Step 5: Solve for x
    x = 62,676,699,034.82/391,150.04
  6. Step 6: Final answer
    x = 160,236.97

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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.