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Finding the Fourth Proportional to 60,930.98, 91,291.92 and 54,767.96

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Solution

The fourth proportional to 60,930.98, 91,291.92 and 54,767.96 is: 82,057.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,930.98 : 91,291.92 = 54,767.96 : x
  2. Step 2: Convert to fraction form
    60,930.98/91,291.92 = 54,767.96/x
  3. Step 3: Cross multiply
    60,930.98x = 91,291.92 × 54,767.96
  4. Step 4: Simplify right side
    60,930.98x = 4,999,872,222.88
  5. Step 5: Solve for x
    x = 4,999,872,222.88/60,930.98
  6. Step 6: Final answer
    x = 82,057.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.