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Finding the Fourth Proportional to 68,977.44, 103,472.84 and 26,861.02

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Solution

The fourth proportional to 68,977.44, 103,472.84 and 26,861.02 is: 40,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,977.44 : 103,472.84 = 26,861.02 : x
  2. Step 2: Convert to fraction form
    68,977.44/103,472.84 = 26,861.02/x
  3. Step 3: Cross multiply
    68,977.44x = 103,472.84 × 26,861.02
  4. Step 4: Simplify right side
    68,977.44x = 2,779,385,833.17
  5. Step 5: Solve for x
    x = 2,779,385,833.17/68,977.44
  6. Step 6: Final answer
    x = 40,294.13

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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.