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Finding the Fourth Proportional to 216,555.44, 298,847.17 and 121,062.13

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Solution

The fourth proportional to 216,555.44, 298,847.17 and 121,062.13 is: 167,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,555.44 : 298,847.17 = 121,062.13 : x
  2. Step 2: Convert to fraction form
    216,555.44/298,847.17 = 121,062.13/x
  3. Step 3: Cross multiply
    216,555.44x = 298,847.17 × 121,062.13
  4. Step 4: Simplify right side
    216,555.44x = 36,179,074,348.88
  5. Step 5: Solve for x
    x = 36,179,074,348.88/216,555.44
  6. Step 6: Final answer
    x = 167,066.11

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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.