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Finding the Fourth Proportional to 73,560, 101,514.42 and 40,026

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Solution

The fourth proportional to 73,560, 101,514.42 and 40,026 is: 55,236.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,560 : 101,514.42 = 40,026 : x
  2. Step 2: Convert to fraction form
    73,560/101,514.42 = 40,026/x
  3. Step 3: Cross multiply
    73,560x = 101,514.42 × 40,026
  4. Step 4: Simplify right side
    73,560x = 4,063,216,174.92
  5. Step 5: Solve for x
    x = 4,063,216,174.92/73,560
  6. Step 6: Final answer
    x = 55,236.76

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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.