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Finding the Fourth Proportional to 65,578.83, 98,281.17 and 26,114.28

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Solution

The fourth proportional to 65,578.83, 98,281.17 and 26,114.28 is: 39,136.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,578.83 : 98,281.17 = 26,114.28 : x
  2. Step 2: Convert to fraction form
    65,578.83/98,281.17 = 26,114.28/x
  3. Step 3: Cross multiply
    65,578.83x = 98,281.17 × 26,114.28
  4. Step 4: Simplify right side
    65,578.83x = 2,566,541,992.11
  5. Step 5: Solve for x
    x = 2,566,541,992.11/65,578.83
  6. Step 6: Final answer
    x = 39,136.75

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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.