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Finding the Fourth Proportional to 244,686.76, 366,986.26 and 67,170.40

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Solution

The fourth proportional to 244,686.76, 366,986.26 and 67,170.40 is: 100,743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,686.76 : 366,986.26 = 67,170.40 : x
  2. Step 2: Convert to fraction form
    244,686.76/366,986.26 = 67,170.40/x
  3. Step 3: Cross multiply
    244,686.76x = 366,986.26 × 67,170.40
  4. Step 4: Simplify right side
    244,686.76x = 24,650,613,878.70
  5. Step 5: Solve for x
    x = 24,650,613,878.70/244,686.76
  6. Step 6: Final answer
    x = 100,743.55

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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.