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Finding the Fourth Proportional to 151,818.60, 227,727.90 and 51,969.90

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Solution

The fourth proportional to 151,818.60, 227,727.90 and 51,969.90 is: 77,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,818.60 : 227,727.90 = 51,969.90 : x
  2. Step 2: Convert to fraction form
    151,818.60/227,727.90 = 51,969.90/x
  3. Step 3: Cross multiply
    151,818.60x = 227,727.90 × 51,969.90
  4. Step 4: Simplify right side
    151,818.60x = 11,834,996,190.21
  5. Step 5: Solve for x
    x = 11,834,996,190.21/151,818.60
  6. Step 6: Final answer
    x = 77,954.85

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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.