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Finding the Fourth Proportional to 61,189.56, 91,538.91 and 52,959.15

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Solution

The fourth proportional to 61,189.56, 91,538.91 and 52,959.15 is: 79,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,189.56 : 91,538.91 = 52,959.15 : x
  2. Step 2: Convert to fraction form
    61,189.56/91,538.91 = 52,959.15/x
  3. Step 3: Cross multiply
    61,189.56x = 91,538.91 × 52,959.15
  4. Step 4: Simplify right side
    61,189.56x = 4,847,822,865.53
  5. Step 5: Solve for x
    x = 4,847,822,865.53/61,189.56
  6. Step 6: Final answer
    x = 79,226.31

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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.