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Finding the Fourth Proportional to 199,462.82, 275,258.09 and 108,818.13

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Solution

The fourth proportional to 199,462.82, 275,258.09 and 108,818.13 is: 150,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,462.82 : 275,258.09 = 108,818.13 : x
  2. Step 2: Convert to fraction form
    199,462.82/275,258.09 = 108,818.13/x
  3. Step 3: Cross multiply
    199,462.82x = 275,258.09 × 108,818.13
  4. Step 4: Simplify right side
    199,462.82x = 29,953,070,621.17
  5. Step 5: Solve for x
    x = 29,953,070,621.17/199,462.82
  6. Step 6: Final answer
    x = 150,168.69

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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.