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Finding the Fourth Proportional to 151,346.40, 227,041.20 and 51,489.60

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Solution

The fourth proportional to 151,346.40, 227,041.20 and 51,489.60 is: 77,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,346.40 : 227,041.20 = 51,489.60 : x
  2. Step 2: Convert to fraction form
    151,346.40/227,041.20 = 51,489.60/x
  3. Step 3: Cross multiply
    151,346.40x = 227,041.20 × 51,489.60
  4. Step 4: Simplify right side
    151,346.40x = 11,690,260,571.52
  5. Step 5: Solve for x
    x = 11,690,260,571.52/151,346.40
  6. Step 6: Final answer
    x = 77,241.75

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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.