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Finding the Fourth Proportional to 110,674.80, 152,734.68 and 60,378.48

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Solution

The fourth proportional to 110,674.80, 152,734.68 and 60,378.48 is: 83,324.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,674.80 : 152,734.68 = 60,378.48 : x
  2. Step 2: Convert to fraction form
    110,674.80/152,734.68 = 60,378.48/x
  3. Step 3: Cross multiply
    110,674.80x = 152,734.68 × 60,378.48
  4. Step 4: Simplify right side
    110,674.80x = 9,221,887,821.69
  5. Step 5: Solve for x
    x = 9,221,887,821.69/110,674.80
  6. Step 6: Final answer
    x = 83,324.19

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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.