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Finding the Fourth Proportional to 111,323.90, 167,006.10 and 36,423.20

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Solution

The fourth proportional to 111,323.90, 167,006.10 and 36,423.20 is: 54,641.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,323.90 : 167,006.10 = 36,423.20 : x
  2. Step 2: Convert to fraction form
    111,323.90/167,006.10 = 36,423.20/x
  3. Step 3: Cross multiply
    111,323.90x = 167,006.10 × 36,423.20
  4. Step 4: Simplify right side
    111,323.90x = 6,082,896,581.52
  5. Step 5: Solve for x
    x = 6,082,896,581.52/111,323.90
  6. Step 6: Final answer
    x = 54,641.43

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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.