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Finding the Fourth Proportional to 121,714.18, 167,965.13 and 67,264.83

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Solution

The fourth proportional to 121,714.18, 167,965.13 and 67,264.83 is: 92,825.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,714.18 : 167,965.13 = 67,264.83 : x
  2. Step 2: Convert to fraction form
    121,714.18/167,965.13 = 67,264.83/x
  3. Step 3: Cross multiply
    121,714.18x = 167,965.13 × 67,264.83
  4. Step 4: Simplify right side
    121,714.18x = 11,298,146,083.54
  5. Step 5: Solve for x
    x = 11,298,146,083.54/121,714.18
  6. Step 6: Final answer
    x = 92,825.23

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1.5x scale

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.