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Finding the Fourth Proportional to 119,902.60, 179,738.70 and 93,233.80

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Solution

The fourth proportional to 119,902.60, 179,738.70 and 93,233.80 is: 139,761.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,902.60 : 179,738.70 = 93,233.80 : x
  2. Step 2: Convert to fraction form
    119,902.60/179,738.70 = 93,233.80/x
  3. Step 3: Cross multiply
    119,902.60x = 179,738.70 × 93,233.80
  4. Step 4: Simplify right side
    119,902.60x = 16,757,722,008.06
  5. Step 5: Solve for x
    x = 16,757,722,008.06/119,902.60
  6. Step 6: Final answer
    x = 139,761.12

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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.