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Finding the Fourth Proportional to 151,749.60, 227,797.20 and 89,455.20

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Solution

The fourth proportional to 151,749.60, 227,797.20 and 89,455.20 is: 134,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,749.60 : 227,797.20 = 89,455.20 : x
  2. Step 2: Convert to fraction form
    151,749.60/227,797.20 = 89,455.20/x
  3. Step 3: Cross multiply
    151,749.60x = 227,797.20 × 89,455.20
  4. Step 4: Simplify right side
    151,749.60x = 20,377,644,085.44
  5. Step 5: Solve for x
    x = 20,377,644,085.44/151,749.60
  6. Step 6: Final answer
    x = 134,284.66

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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.