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Finding the Fourth Proportional to 73,158.60, 100,966.30 and 52,757.44

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Solution

The fourth proportional to 73,158.60, 100,966.30 and 52,757.44 is: 72,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,158.60 : 100,966.30 = 52,757.44 : x
  2. Step 2: Convert to fraction form
    73,158.60/100,966.30 = 52,757.44/x
  3. Step 3: Cross multiply
    73,158.60x = 100,966.30 × 52,757.44
  4. Step 4: Simplify right side
    73,158.60x = 5,326,723,514.27
  5. Step 5: Solve for x
    x = 5,326,723,514.27/73,158.60
  6. Step 6: Final answer
    x = 72,810.63

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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.