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Finding the Fourth Proportional to 151,709.60, 227,564.40 and 51,860.90

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Solution

The fourth proportional to 151,709.60, 227,564.40 and 51,860.90 is: 77,791.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,709.60 : 227,564.40 = 51,860.90 : x
  2. Step 2: Convert to fraction form
    151,709.60/227,564.40 = 51,860.90/x
  3. Step 3: Cross multiply
    151,709.60x = 227,564.40 × 51,860.90
  4. Step 4: Simplify right side
    151,709.60x = 11,801,694,591.96
  5. Step 5: Solve for x
    x = 11,801,694,591.96/151,709.60
  6. Step 6: Final answer
    x = 77,791.35

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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.