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Finding the Fourth Proportional to 89,752.83, 123,853.85 and 49,466.47

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Solution

The fourth proportional to 89,752.83, 123,853.85 and 49,466.47 is: 68,260.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,752.83 : 123,853.85 = 49,466.47 : x
  2. Step 2: Convert to fraction form
    89,752.83/123,853.85 = 49,466.47/x
  3. Step 3: Cross multiply
    89,752.83x = 123,853.85 × 49,466.47
  4. Step 4: Simplify right side
    89,752.83x = 6,126,611,888.81
  5. Step 5: Solve for x
    x = 6,126,611,888.81/89,752.83
  6. Step 6: Final answer
    x = 68,260.94

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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.