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Finding the Fourth Proportional to 60,111.64, 90,163.12 and 26,834.68

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Solution

The fourth proportional to 60,111.64, 90,163.12 and 26,834.68 is: 40,250.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,111.64 : 90,163.12 = 26,834.68 : x
  2. Step 2: Convert to fraction form
    60,111.64/90,163.12 = 26,834.68/x
  3. Step 3: Cross multiply
    60,111.64x = 90,163.12 × 26,834.68
  4. Step 4: Simplify right side
    60,111.64x = 2,419,498,473.00
  5. Step 5: Solve for x
    x = 2,419,498,473.00/60,111.64
  6. Step 6: Final answer
    x = 40,250.08

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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.