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Finding the Fourth Proportional to 71,089.74, 98,149.92 and 44,243.10

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Solution

The fourth proportional to 71,089.74, 98,149.92 and 44,243.10 is: 61,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,089.74 : 98,149.92 = 44,243.10 : x
  2. Step 2: Convert to fraction form
    71,089.74/98,149.92 = 44,243.10/x
  3. Step 3: Cross multiply
    71,089.74x = 98,149.92 × 44,243.10
  4. Step 4: Simplify right side
    71,089.74x = 4,342,456,725.55
  5. Step 5: Solve for x
    x = 4,342,456,725.55/71,089.74
  6. Step 6: Final answer
    x = 61,084.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.