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Finding the Fourth Proportional to 75,091.80, 112,551.84 and 35,592.96

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Solution

The fourth proportional to 75,091.80, 112,551.84 and 35,592.96 is: 53,348.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,091.80 : 112,551.84 = 35,592.96 : x
  2. Step 2: Convert to fraction form
    75,091.80/112,551.84 = 35,592.96/x
  3. Step 3: Cross multiply
    75,091.80x = 112,551.84 × 35,592.96
  4. Step 4: Simplify right side
    75,091.80x = 4,006,053,139.05
  5. Step 5: Solve for x
    x = 4,006,053,139.05/75,091.80
  6. Step 6: Final answer
    x = 53,348.74

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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.