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Finding the Fourth Proportional to 75,195.72, 112,780.92 and 35,218.89

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Solution

The fourth proportional to 75,195.72, 112,780.92 and 35,218.89 is: 52,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,195.72 : 112,780.92 = 35,218.89 : x
  2. Step 2: Convert to fraction form
    75,195.72/112,780.92 = 35,218.89/x
  3. Step 3: Cross multiply
    75,195.72x = 112,780.92 × 35,218.89
  4. Step 4: Simplify right side
    75,195.72x = 3,972,018,815.58
  5. Step 5: Solve for x
    x = 3,972,018,815.58/75,195.72
  6. Step 6: Final answer
    x = 52,822.41

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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.