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Finding the Fourth Proportional to 171,478.28, 236,649.86 and 96,026.12

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Solution

The fourth proportional to 171,478.28, 236,649.86 and 96,026.12 is: 132,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,478.28 : 236,649.86 = 96,026.12 : x
  2. Step 2: Convert to fraction form
    171,478.28/236,649.86 = 96,026.12/x
  3. Step 3: Cross multiply
    171,478.28x = 236,649.86 × 96,026.12
  4. Step 4: Simplify right side
    171,478.28x = 22,724,567,854.34
  5. Step 5: Solve for x
    x = 22,724,567,854.34/171,478.28
  6. Step 6: Final answer
    x = 132,521.55

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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.