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Finding the Fourth Proportional to 73,315.97, 110,029.23 and 53,645.27

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Solution

The fourth proportional to 73,315.97, 110,029.23 and 53,645.27 is: 80,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,315.97 : 110,029.23 = 53,645.27 : x
  2. Step 2: Convert to fraction form
    73,315.97/110,029.23 = 53,645.27/x
  3. Step 3: Cross multiply
    73,315.97x = 110,029.23 × 53,645.27
  4. Step 4: Simplify right side
    73,315.97x = 5,902,547,751.24
  5. Step 5: Solve for x
    x = 5,902,547,751.24/73,315.97
  6. Step 6: Final answer
    x = 80,508.35

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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.