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Finding the Fourth Proportional to 75,000.57, 112,556.22 and 35,557.83

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Solution

The fourth proportional to 75,000.57, 112,556.22 and 35,557.83 is: 53,362.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,000.57 : 112,556.22 = 35,557.83 : x
  2. Step 2: Convert to fraction form
    75,000.57/112,556.22 = 35,557.83/x
  3. Step 3: Cross multiply
    75,000.57x = 112,556.22 × 35,557.83
  4. Step 4: Simplify right side
    75,000.57x = 4,002,254,936.20
  5. Step 5: Solve for x
    x = 4,002,254,936.20/75,000.57
  6. Step 6: Final answer
    x = 53,362.99

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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.