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Finding the Fourth Proportional to 170,542.71, 255,813.89 and 58,213.61

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Solution

The fourth proportional to 170,542.71, 255,813.89 and 58,213.61 is: 87,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,542.71 : 255,813.89 = 58,213.61 : x
  2. Step 2: Convert to fraction form
    170,542.71/255,813.89 = 58,213.61/x
  3. Step 3: Cross multiply
    170,542.71x = 255,813.89 × 58,213.61
  4. Step 4: Simplify right side
    170,542.71x = 14,891,848,454.91
  5. Step 5: Solve for x
    x = 14,891,848,454.91/170,542.71
  6. Step 6: Final answer
    x = 87,320.35

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1.5x scale

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.