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Finding the Fourth Proportional to 115,508.96, 159,401.04 and 67,753.12

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Solution

The fourth proportional to 115,508.96, 159,401.04 and 67,753.12 is: 93,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,508.96 : 159,401.04 = 67,753.12 : x
  2. Step 2: Convert to fraction form
    115,508.96/159,401.04 = 67,753.12/x
  3. Step 3: Cross multiply
    115,508.96x = 159,401.04 × 67,753.12
  4. Step 4: Simplify right side
    115,508.96x = 10,799,917,791.24
  5. Step 5: Solve for x
    x = 10,799,917,791.24/115,508.96
  6. Step 6: Final answer
    x = 93,498.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.