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Finding the Fourth Proportional to 89,753.33, 123,854.53 and 49,466.97

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Solution

The fourth proportional to 89,753.33, 123,854.53 and 49,466.97 is: 68,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,753.33 : 123,854.53 = 49,466.97 : x
  2. Step 2: Convert to fraction form
    89,753.33/123,854.53 = 49,466.97/x
  3. Step 3: Cross multiply
    89,753.33x = 123,854.53 × 49,466.97
  4. Step 4: Simplify right side
    89,753.33x = 6,126,708,319.87
  5. Step 5: Solve for x
    x = 6,126,708,319.87/89,753.33
  6. Step 6: Final answer
    x = 68,261.63

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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.