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Finding the Fourth Proportional to 151,340.60, 226,848.90 and 51,408.20

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Solution

The fourth proportional to 151,340.60, 226,848.90 and 51,408.20 is: 77,057.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,340.60 : 226,848.90 = 51,408.20 : x
  2. Step 2: Convert to fraction form
    151,340.60/226,848.90 = 51,408.20/x
  3. Step 3: Cross multiply
    151,340.60x = 226,848.90 × 51,408.20
  4. Step 4: Simplify right side
    151,340.60x = 11,661,893,620.98
  5. Step 5: Solve for x
    x = 11,661,893,620.98/151,340.60
  6. Step 6: Final answer
    x = 77,057.27

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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.