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Finding the Fourth Proportional to 172,419.52, 237,883.60 and 104,414.80

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Solution

The fourth proportional to 172,419.52, 237,883.60 and 104,414.80 is: 144,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,419.52 : 237,883.60 = 104,414.80 : x
  2. Step 2: Convert to fraction form
    172,419.52/237,883.60 = 104,414.80/x
  3. Step 3: Cross multiply
    172,419.52x = 237,883.60 × 104,414.80
  4. Step 4: Simplify right side
    172,419.52x = 24,838,568,517.28
  5. Step 5: Solve for x
    x = 24,838,568,517.28/172,419.52
  6. Step 6: Final answer
    x = 144,058.91

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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.