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Finding the Fourth Proportional to 89,848.88, 123,992.04 and 49,563.74

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Solution

The fourth proportional to 89,848.88, 123,992.04 and 49,563.74 is: 68,398.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,848.88 : 123,992.04 = 49,563.74 : x
  2. Step 2: Convert to fraction form
    89,848.88/123,992.04 = 49,563.74/x
  3. Step 3: Cross multiply
    89,848.88x = 123,992.04 × 49,563.74
  4. Step 4: Simplify right side
    89,848.88x = 6,145,508,612.67
  5. Step 5: Solve for x
    x = 6,145,508,612.67/89,848.88
  6. Step 6: Final answer
    x = 68,398.28

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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.