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Finding the Fourth Proportional to 187,757.17, 259,103.77 and 101,717.78

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Solution

The fourth proportional to 187,757.17, 259,103.77 and 101,717.78 is: 140,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,757.17 : 259,103.77 = 101,717.78 : x
  2. Step 2: Convert to fraction form
    187,757.17/259,103.77 = 101,717.78/x
  3. Step 3: Cross multiply
    187,757.17x = 259,103.77 × 101,717.78
  4. Step 4: Simplify right side
    187,757.17x = 26,355,458,724.22
  5. Step 5: Solve for x
    x = 26,355,458,724.22/187,757.17
  6. Step 6: Final answer
    x = 140,369.92

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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.