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Finding the Fourth Proportional to 163,492.52, 225,617.67 and 91,884.65

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Solution

The fourth proportional to 163,492.52, 225,617.67 and 91,884.65 is: 126,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,492.52 : 225,617.67 = 91,884.65 : x
  2. Step 2: Convert to fraction form
    163,492.52/225,617.67 = 91,884.65/x
  3. Step 3: Cross multiply
    163,492.52x = 225,617.67 × 91,884.65
  4. Step 4: Simplify right side
    163,492.52x = 20,730,799,513.68
  5. Step 5: Solve for x
    x = 20,730,799,513.68/163,492.52
  6. Step 6: Final answer
    x = 126,799.69

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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.