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Finding the Fourth Proportional to 92,841.80, 139,268.62 and 26,287.17

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Solution

The fourth proportional to 92,841.80, 139,268.62 and 26,287.17 is: 39,432.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,841.80 : 139,268.62 = 26,287.17 : x
  2. Step 2: Convert to fraction form
    92,841.80/139,268.62 = 26,287.17/x
  3. Step 3: Cross multiply
    92,841.80x = 139,268.62 × 26,287.17
  4. Step 4: Simplify right side
    92,841.80x = 3,660,977,839.88
  5. Step 5: Solve for x
    x = 3,660,977,839.88/92,841.80
  6. Step 6: Final answer
    x = 39,432.43

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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.