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Finding the Fourth Proportional to 170,371.28, 255,468.13 and 63,667.55

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Solution

The fourth proportional to 170,371.28, 255,468.13 and 63,667.55 is: 95,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,371.28 : 255,468.13 = 63,667.55 : x
  2. Step 2: Convert to fraction form
    170,371.28/255,468.13 = 63,667.55/x
  3. Step 3: Cross multiply
    170,371.28x = 255,468.13 × 63,667.55
  4. Step 4: Simplify right side
    170,371.28x = 16,265,030,419.68
  5. Step 5: Solve for x
    x = 16,265,030,419.68/170,371.28
  6. Step 6: Final answer
    x = 95,468.15

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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.