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Finding the Fourth Proportional to 122,363.52, 183,249.90 and 69,613.08

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Solution

The fourth proportional to 122,363.52, 183,249.90 and 69,613.08 is: 104,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,363.52 : 183,249.90 = 69,613.08 : x
  2. Step 2: Convert to fraction form
    122,363.52/183,249.90 = 69,613.08/x
  3. Step 3: Cross multiply
    122,363.52x = 183,249.90 × 69,613.08
  4. Step 4: Simplify right side
    122,363.52x = 12,756,589,948.69
  5. Step 5: Solve for x
    x = 12,756,589,948.69/122,363.52
  6. Step 6: Final answer
    x = 104,251.58

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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.