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Finding the Fourth Proportional to 151,798.40, 227,260.20 and 92,749.40

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Solution

The fourth proportional to 151,798.40, 227,260.20 and 92,749.40 is: 138,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,798.40 : 227,260.20 = 92,749.40 : x
  2. Step 2: Convert to fraction form
    151,798.40/227,260.20 = 92,749.40/x
  3. Step 3: Cross multiply
    151,798.40x = 227,260.20 × 92,749.40
  4. Step 4: Simplify right side
    151,798.40x = 21,078,247,193.88
  5. Step 5: Solve for x
    x = 21,078,247,193.88/151,798.40
  6. Step 6: Final answer
    x = 138,856.85

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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.