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Finding the Fourth Proportional to 267,191.38, 368,973.84 and 171,863.56

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Solution

The fourth proportional to 267,191.38, 368,973.84 and 171,863.56 is: 237,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,191.38 : 368,973.84 = 171,863.56 : x
  2. Step 2: Convert to fraction form
    267,191.38/368,973.84 = 171,863.56/x
  3. Step 3: Cross multiply
    267,191.38x = 368,973.84 × 171,863.56
  4. Step 4: Simplify right side
    267,191.38x = 63,413,157,689.27
  5. Step 5: Solve for x
    x = 63,413,157,689.27/267,191.38
  6. Step 6: Final answer
    x = 237,332.35

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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.