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Finding the Fourth Proportional to 171,874.16, 237,214.84 and 100,254.20

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Solution

The fourth proportional to 171,874.16, 237,214.84 and 100,254.20 is: 138,367.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,874.16 : 237,214.84 = 100,254.20 : x
  2. Step 2: Convert to fraction form
    171,874.16/237,214.84 = 100,254.20/x
  3. Step 3: Cross multiply
    171,874.16x = 237,214.84 × 100,254.20
  4. Step 4: Simplify right side
    171,874.16x = 23,781,784,012.33
  5. Step 5: Solve for x
    x = 23,781,784,012.33/171,874.16
  6. Step 6: Final answer
    x = 138,367.42

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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.