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Finding the Fourth Proportional to 163,104.71, 225,084.33 and 91,484.10

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Solution

The fourth proportional to 163,104.71, 225,084.33 and 91,484.10 is: 126,247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,104.71 : 225,084.33 = 91,484.10 : x
  2. Step 2: Convert to fraction form
    163,104.71/225,084.33 = 91,484.10/x
  3. Step 3: Cross multiply
    163,104.71x = 225,084.33 × 91,484.10
  4. Step 4: Simplify right side
    163,104.71x = 20,591,637,354.15
  5. Step 5: Solve for x
    x = 20,591,637,354.15/163,104.71
  6. Step 6: Final answer
    x = 126,247.97

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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.