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Finding the Fourth Proportional to 174,414.80, 261,353.40 and 129,832.40

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Solution

The fourth proportional to 174,414.80, 261,353.40 and 129,832.40 is: 194,548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,414.80 : 261,353.40 = 129,832.40 : x
  2. Step 2: Convert to fraction form
    174,414.80/261,353.40 = 129,832.40/x
  3. Step 3: Cross multiply
    174,414.80x = 261,353.40 × 129,832.40
  4. Step 4: Simplify right side
    174,414.80x = 33,932,139,170.16
  5. Step 5: Solve for x
    x = 33,932,139,170.16/174,414.80
  6. Step 6: Final answer
    x = 194,548.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.