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Finding the Fourth Proportional to 111,580.80, 167,387.40 and 36,704.40

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Solution

The fourth proportional to 111,580.80, 167,387.40 and 36,704.40 is: 55,061.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,580.80 : 167,387.40 = 36,704.40 : x
  2. Step 2: Convert to fraction form
    111,580.80/167,387.40 = 36,704.40/x
  3. Step 3: Cross multiply
    111,580.80x = 167,387.40 × 36,704.40
  4. Step 4: Simplify right side
    111,580.80x = 6,143,854,084.56
  5. Step 5: Solve for x
    x = 6,143,854,084.56/111,580.80
  6. Step 6: Final answer
    x = 55,061.93

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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.