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Finding the Fourth Proportional to 109,676.38, 151,353.60 and 59,375.38

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Solution

The fourth proportional to 109,676.38, 151,353.60 and 59,375.38 is: 81,938.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,676.38 : 151,353.60 = 59,375.38 : x
  2. Step 2: Convert to fraction form
    109,676.38/151,353.60 = 59,375.38/x
  3. Step 3: Cross multiply
    109,676.38x = 151,353.60 × 59,375.38
  4. Step 4: Simplify right side
    109,676.38x = 8,986,677,514.37
  5. Step 5: Solve for x
    x = 8,986,677,514.37/109,676.38
  6. Step 6: Final answer
    x = 81,938.13

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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.