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Finding the Fourth Proportional to 151,356.90, 227,035.35 and 135,027.30

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Solution

The fourth proportional to 151,356.90, 227,035.35 and 135,027.30 is: 202,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,356.90 : 227,035.35 = 135,027.30 : x
  2. Step 2: Convert to fraction form
    151,356.90/227,035.35 = 135,027.30/x
  3. Step 3: Cross multiply
    151,356.90x = 227,035.35 × 135,027.30
  4. Step 4: Simplify right side
    151,356.90x = 30,655,970,315.06
  5. Step 5: Solve for x
    x = 30,655,970,315.06/151,356.90
  6. Step 6: Final answer
    x = 202,540.95

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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.