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Finding the Fourth Proportional to 73,609.69, 110,391.30 and 23,678.66

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Solution

The fourth proportional to 73,609.69, 110,391.30 and 23,678.66 is: 35,510.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,609.69 : 110,391.30 = 23,678.66 : x
  2. Step 2: Convert to fraction form
    73,609.69/110,391.30 = 23,678.66/x
  3. Step 3: Cross multiply
    73,609.69x = 110,391.30 × 23,678.66
  4. Step 4: Simplify right side
    73,609.69x = 2,613,917,389.31
  5. Step 5: Solve for x
    x = 2,613,917,389.31/73,609.69
  6. Step 6: Final answer
    x = 35,510.51

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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.