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Finding the Fourth Proportional to 73,892.61, 101,953.04 and 45,201.85

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Solution

The fourth proportional to 73,892.61, 101,953.04 and 45,201.85 is: 62,367.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,892.61 : 101,953.04 = 45,201.85 : x
  2. Step 2: Convert to fraction form
    73,892.61/101,953.04 = 45,201.85/x
  3. Step 3: Cross multiply
    73,892.61x = 101,953.04 × 45,201.85
  4. Step 4: Simplify right side
    73,892.61x = 4,608,465,540.23
  5. Step 5: Solve for x
    x = 4,608,465,540.23/73,892.61
  6. Step 6: Final answer
    x = 62,367.07

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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.