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Finding the Fourth Proportional to 272,480.38, 408,722.84 and 94,987.10

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Solution

The fourth proportional to 272,480.38, 408,722.84 and 94,987.10 is: 142,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,480.38 : 408,722.84 = 94,987.10 : x
  2. Step 2: Convert to fraction form
    272,480.38/408,722.84 = 94,987.10/x
  3. Step 3: Cross multiply
    272,480.38x = 408,722.84 × 94,987.10
  4. Step 4: Simplify right side
    272,480.38x = 38,823,398,534.64
  5. Step 5: Solve for x
    x = 38,823,398,534.64/272,480.38
  6. Step 6: Final answer
    x = 142,481.45

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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.