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Finding the Fourth Proportional to 61,304.75, 91,420.65 and 60,744.22

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Solution

The fourth proportional to 61,304.75, 91,420.65 and 60,744.22 is: 90,584.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,304.75 : 91,420.65 = 60,744.22 : x
  2. Step 2: Convert to fraction form
    61,304.75/91,420.65 = 60,744.22/x
  3. Step 3: Cross multiply
    61,304.75x = 91,420.65 × 60,744.22
  4. Step 4: Simplify right side
    61,304.75x = 5,553,276,076.14
  5. Step 5: Solve for x
    x = 5,553,276,076.14/61,304.75
  6. Step 6: Final answer
    x = 90,584.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.