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Finding the Fourth Proportional to 272,580.88, 408,873.36 and 95,087.20

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Solution

The fourth proportional to 272,580.88, 408,873.36 and 95,087.20 is: 142,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,580.88 : 408,873.36 = 95,087.20 : x
  2. Step 2: Convert to fraction form
    272,580.88/408,873.36 = 95,087.20/x
  3. Step 3: Cross multiply
    272,580.88x = 408,873.36 × 95,087.20
  4. Step 4: Simplify right side
    272,580.88x = 38,878,622,956.99
  5. Step 5: Solve for x
    x = 38,878,622,956.99/272,580.88
  6. Step 6: Final answer
    x = 142,631.51

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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.