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Finding the Fourth Proportional to 60,388.80, 90,944.87 and 55,001.94

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Solution

The fourth proportional to 60,388.80, 90,944.87 and 55,001.94 is: 82,832.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,388.80 : 90,944.87 = 55,001.94 : x
  2. Step 2: Convert to fraction form
    60,388.80/90,944.87 = 55,001.94/x
  3. Step 3: Cross multiply
    60,388.80x = 90,944.87 × 55,001.94
  4. Step 4: Simplify right side
    60,388.80x = 5,002,144,008.04
  5. Step 5: Solve for x
    x = 5,002,144,008.04/60,388.80
  6. Step 6: Final answer
    x = 82,832.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.