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Finding the Fourth Proportional to 272,481.47, 408,724.50 and 94,988.15

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Solution

The fourth proportional to 272,481.47, 408,724.50 and 94,988.15 is: 142,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,481.47 : 408,724.50 = 94,988.15 : x
  2. Step 2: Convert to fraction form
    272,481.47/408,724.50 = 94,988.15/x
  3. Step 3: Cross multiply
    272,481.47x = 408,724.50 × 94,988.15
  4. Step 4: Simplify right side
    272,481.47x = 38,823,984,114.68
  5. Step 5: Solve for x
    x = 38,823,984,114.68/272,481.47
  6. Step 6: Final answer
    x = 142,483.03

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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.