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Finding the Fourth Proportional to 76,061.78, 104,923.10 and 44,227.16

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Solution

The fourth proportional to 76,061.78, 104,923.10 and 44,227.16 is: 61,008.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,061.78 : 104,923.10 = 44,227.16 : x
  2. Step 2: Convert to fraction form
    76,061.78/104,923.10 = 44,227.16/x
  3. Step 3: Cross multiply
    76,061.78x = 104,923.10 × 44,227.16
  4. Step 4: Simplify right side
    76,061.78x = 4,640,450,731.40
  5. Step 5: Solve for x
    x = 4,640,450,731.40/76,061.78
  6. Step 6: Final answer
    x = 61,008.97

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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.