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Finding the Fourth Proportional to 111,930.10, 167,895.15 and 37,061.80

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Solution

The fourth proportional to 111,930.10, 167,895.15 and 37,061.80 is: 55,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,930.10 : 167,895.15 = 37,061.80 : x
  2. Step 2: Convert to fraction form
    111,930.10/167,895.15 = 37,061.80/x
  3. Step 3: Cross multiply
    111,930.10x = 167,895.15 × 37,061.80
  4. Step 4: Simplify right side
    111,930.10x = 6,222,496,470.27
  5. Step 5: Solve for x
    x = 6,222,496,470.27/111,930.10
  6. Step 6: Final answer
    x = 55,592.70

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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.