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Finding the Fourth Proportional to 73,588.38, 110,874.26 and 66,577.29

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Solution

The fourth proportional to 73,588.38, 110,874.26 and 66,577.29 is: 100,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,588.38 : 110,874.26 = 66,577.29 : x
  2. Step 2: Convert to fraction form
    73,588.38/110,874.26 = 66,577.29/x
  3. Step 3: Cross multiply
    73,588.38x = 110,874.26 × 66,577.29
  4. Step 4: Simplify right side
    73,588.38x = 7,381,707,428.67
  5. Step 5: Solve for x
    x = 7,381,707,428.67/73,588.38
  6. Step 6: Final answer
    x = 100,310.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.