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Finding the Fourth Proportional to 89,392.48, 123,363.48 and 49,108.75

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Solution

The fourth proportional to 89,392.48, 123,363.48 and 49,108.75 is: 67,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,392.48 : 123,363.48 = 49,108.75 : x
  2. Step 2: Convert to fraction form
    89,392.48/123,363.48 = 49,108.75/x
  3. Step 3: Cross multiply
    89,392.48x = 123,363.48 × 49,108.75
  4. Step 4: Simplify right side
    89,392.48x = 6,058,226,298.45
  5. Step 5: Solve for x
    x = 6,058,226,298.45/89,392.48
  6. Step 6: Final answer
    x = 67,771.10

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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.