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Finding the Fourth Proportional to 92,641.97, 138,964.49 and 26,083.70

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Solution

The fourth proportional to 92,641.97, 138,964.49 and 26,083.70 is: 39,125.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,641.97 : 138,964.49 = 26,083.70 : x
  2. Step 2: Convert to fraction form
    92,641.97/138,964.49 = 26,083.70/x
  3. Step 3: Cross multiply
    92,641.97x = 138,964.49 × 26,083.70
  4. Step 4: Simplify right side
    92,641.97x = 3,624,707,937.39
  5. Step 5: Solve for x
    x = 3,624,707,937.39/92,641.97
  6. Step 6: Final answer
    x = 39,125.98

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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.