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Finding the Fourth Proportional to 123,469.97, 185,205.15 and 29,975.72

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Solution

The fourth proportional to 123,469.97, 185,205.15 and 29,975.72 is: 44,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,469.97 : 185,205.15 = 29,975.72 : x
  2. Step 2: Convert to fraction form
    123,469.97/185,205.15 = 29,975.72/x
  3. Step 3: Cross multiply
    123,469.97x = 185,205.15 × 29,975.72
  4. Step 4: Simplify right side
    123,469.97x = 5,551,656,792.93
  5. Step 5: Solve for x
    x = 5,551,656,792.93/123,469.97
  6. Step 6: Final answer
    x = 44,963.62

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1.5x scale

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.