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Finding the Fourth Proportional to 186,131.62, 256,860.48 and 101,249.02

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Solution

The fourth proportional to 186,131.62, 256,860.48 and 101,249.02 is: 139,723.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,131.62 : 256,860.48 = 101,249.02 : x
  2. Step 2: Convert to fraction form
    186,131.62/256,860.48 = 101,249.02/x
  3. Step 3: Cross multiply
    186,131.62x = 256,860.48 × 101,249.02
  4. Step 4: Simplify right side
    186,131.62x = 26,006,871,876.73
  5. Step 5: Solve for x
    x = 26,006,871,876.73/186,131.62
  6. Step 6: Final answer
    x = 139,723.02

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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.