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Finding the Fourth Proportional to 170,472.59, 255,667.81 and 52,144.95

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Solution

The fourth proportional to 170,472.59, 255,667.81 and 52,144.95 is: 78,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,472.59 : 255,667.81 = 52,144.95 : x
  2. Step 2: Convert to fraction form
    170,472.59/255,667.81 = 52,144.95/x
  3. Step 3: Cross multiply
    170,472.59x = 255,667.81 × 52,144.95
  4. Step 4: Simplify right side
    170,472.59x = 13,331,785,169.06
  5. Step 5: Solve for x
    x = 13,331,785,169.06/170,472.59
  6. Step 6: Final answer
    x = 78,204.86

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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.