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Finding the Fourth Proportional to 61,540.80, 92,116.80 and 59,596.80

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Solution

The fourth proportional to 61,540.80, 92,116.80 and 59,596.80 is: 89,206.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,540.80 : 92,116.80 = 59,596.80 : x
  2. Step 2: Convert to fraction form
    61,540.80/92,116.80 = 59,596.80/x
  3. Step 3: Cross multiply
    61,540.80x = 92,116.80 × 59,596.80
  4. Step 4: Simplify right side
    61,540.80x = 5,489,866,506.24
  5. Step 5: Solve for x
    x = 5,489,866,506.24/61,540.80
  6. Step 6: Final answer
    x = 89,206.94

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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.