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Finding the Fourth Proportional to 104,930.82, 157,343.76 and 62,279.82

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Solution

The fourth proportional to 104,930.82, 157,343.76 and 62,279.82 is: 93,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,930.82 : 157,343.76 = 62,279.82 : x
  2. Step 2: Convert to fraction form
    104,930.82/157,343.76 = 62,279.82/x
  3. Step 3: Cross multiply
    104,930.82x = 157,343.76 × 62,279.82
  4. Step 4: Simplify right side
    104,930.82x = 9,799,341,050.92
  5. Step 5: Solve for x
    x = 9,799,341,050.92/104,930.82
  6. Step 6: Final answer
    x = 93,388.59

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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.