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Finding the Fourth Proportional to 272,557.60, 408,058.80 and 167,581.60

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Solution

The fourth proportional to 272,557.60, 408,058.80 and 167,581.60 is: 250,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,557.60 : 408,058.80 = 167,581.60 : x
  2. Step 2: Convert to fraction form
    272,557.60/408,058.80 = 167,581.60/x
  3. Step 3: Cross multiply
    272,557.60x = 408,058.80 × 167,581.60
  4. Step 4: Simplify right side
    272,557.60x = 68,383,146,598.08
  5. Step 5: Solve for x
    x = 68,383,146,598.08/272,557.60
  6. Step 6: Final answer
    x = 250,894.29

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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.