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Finding the Fourth Proportional to 73,067.76, 109,776.48 and 46,823.76

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Solution

The fourth proportional to 73,067.76, 109,776.48 and 46,823.76 is: 70,347.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,067.76 : 109,776.48 = 46,823.76 : x
  2. Step 2: Convert to fraction form
    73,067.76/109,776.48 = 46,823.76/x
  3. Step 3: Cross multiply
    73,067.76x = 109,776.48 × 46,823.76
  4. Step 4: Simplify right side
    73,067.76x = 5,140,147,553.16
  5. Step 5: Solve for x
    x = 5,140,147,553.16/73,067.76
  6. Step 6: Final answer
    x = 70,347.68

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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.