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Finding the Fourth Proportional to 111,358.80, 167,149.41 and 61,462.40

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Solution

The fourth proportional to 111,358.80, 167,149.41 and 61,462.40 is: 92,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,358.80 : 167,149.41 = 61,462.40 : x
  2. Step 2: Convert to fraction form
    111,358.80/167,149.41 = 61,462.40/x
  3. Step 3: Cross multiply
    111,358.80x = 167,149.41 × 61,462.40
  4. Step 4: Simplify right side
    111,358.80x = 10,273,402,830.95
  5. Step 5: Solve for x
    x = 10,273,402,830.95/111,358.80
  6. Step 6: Final answer
    x = 92,254.97

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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.