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Finding the Fourth Proportional to 89,752.33, 123,853.16 and 49,465.97

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Solution

The fourth proportional to 89,752.33, 123,853.16 and 49,465.97 is: 68,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,752.33 : 123,853.16 = 49,465.97 : x
  2. Step 2: Convert to fraction form
    89,752.33/123,853.16 = 49,465.97/x
  3. Step 3: Cross multiply
    89,752.33x = 123,853.16 × 49,465.97
  4. Step 4: Simplify right side
    89,752.33x = 6,126,515,830.37
  5. Step 5: Solve for x
    x = 6,126,515,830.37/89,752.33
  6. Step 6: Final answer
    x = 68,260.25

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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.