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Finding the Fourth Proportional to 101,718.57, 152,560.44 and 26,839.49

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Solution

The fourth proportional to 101,718.57, 152,560.44 and 26,839.49 is: 40,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,718.57 : 152,560.44 = 26,839.49 : x
  2. Step 2: Convert to fraction form
    101,718.57/152,560.44 = 26,839.49/x
  3. Step 3: Cross multiply
    101,718.57x = 152,560.44 × 26,839.49
  4. Step 4: Simplify right side
    101,718.57x = 4,094,644,403.78
  5. Step 5: Solve for x
    x = 4,094,644,403.78/101,718.57
  6. Step 6: Final answer
    x = 40,254.64

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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.