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Finding the Fourth Proportional to 170,866.88, 256,122 and 58,514

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Solution

The fourth proportional to 170,866.88, 256,122 and 58,514 is: 87,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,866.88 : 256,122 = 58,514 : x
  2. Step 2: Convert to fraction form
    170,866.88/256,122 = 58,514/x
  3. Step 3: Cross multiply
    170,866.88x = 256,122 × 58,514
  4. Step 4: Simplify right side
    170,866.88x = 14,986,722,708
  5. Step 5: Solve for x
    x = 14,986,722,708/170,866.88
  6. Step 6: Final answer
    x = 87,709.93

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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.