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Finding the Fourth Proportional to 171,481, 236,643.90 and 96,031.24

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Solution

The fourth proportional to 171,481, 236,643.90 and 96,031.24 is: 132,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,481 : 236,643.90 = 96,031.24 : x
  2. Step 2: Convert to fraction form
    171,481/236,643.90 = 96,031.24/x
  3. Step 3: Cross multiply
    171,481x = 236,643.90 × 96,031.24
  4. Step 4: Simplify right side
    171,481x = 22,725,207,155.44
  5. Step 5: Solve for x
    x = 22,725,207,155.44/171,481
  6. Step 6: Final answer
    x = 132,523.18

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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.