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Finding the Fourth Proportional to 73,569.47, 101,556.36 and 49,728.42

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Solution

The fourth proportional to 73,569.47, 101,556.36 and 49,728.42 is: 68,645.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,569.47 : 101,556.36 = 49,728.42 : x
  2. Step 2: Convert to fraction form
    73,569.47/101,556.36 = 49,728.42/x
  3. Step 3: Cross multiply
    73,569.47x = 101,556.36 × 49,728.42
  4. Step 4: Simplify right side
    73,569.47x = 5,050,237,323.75
  5. Step 5: Solve for x
    x = 5,050,237,323.75/73,569.47
  6. Step 6: Final answer
    x = 68,645.83

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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.