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Finding the Fourth Proportional to 171,387.33, 236,514.63 and 93,862.57

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Solution

The fourth proportional to 171,387.33, 236,514.63 and 93,862.57 is: 129,530.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,387.33 : 236,514.63 = 93,862.57 : x
  2. Step 2: Convert to fraction form
    171,387.33/236,514.63 = 93,862.57/x
  3. Step 3: Cross multiply
    171,387.33x = 236,514.63 × 93,862.57
  4. Step 4: Simplify right side
    171,387.33x = 22,199,869,831.83
  5. Step 5: Solve for x
    x = 22,199,869,831.83/171,387.33
  6. Step 6: Final answer
    x = 129,530.41

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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.