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Finding the Fourth Proportional to 168,756.75, 232,889.19 and 93,310.11

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Solution

The fourth proportional to 168,756.75, 232,889.19 and 93,310.11 is: 128,770.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,756.75 : 232,889.19 = 93,310.11 : x
  2. Step 2: Convert to fraction form
    168,756.75/232,889.19 = 93,310.11/x
  3. Step 3: Cross multiply
    168,756.75x = 232,889.19 × 93,310.11
  4. Step 4: Simplify right side
    168,756.75x = 21,730,915,936.71
  5. Step 5: Solve for x
    x = 21,730,915,936.71/168,756.75
  6. Step 6: Final answer
    x = 128,770.65

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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.