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Finding the Fourth Proportional to 124,630.30, 186,811.15 and 60,452.55

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Solution

The fourth proportional to 124,630.30, 186,811.15 and 60,452.55 is: 90,613.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,630.30 : 186,811.15 = 60,452.55 : x
  2. Step 2: Convert to fraction form
    124,630.30/186,811.15 = 60,452.55/x
  3. Step 3: Cross multiply
    124,630.30x = 186,811.15 × 60,452.55
  4. Step 4: Simplify right side
    124,630.30x = 11,293,210,385.93
  5. Step 5: Solve for x
    x = 11,293,210,385.93/124,630.30
  6. Step 6: Final answer
    x = 90,613.68

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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.