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Finding the Fourth Proportional to 151,605.60, 227,408.40 and 51,756.90

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Solution

The fourth proportional to 151,605.60, 227,408.40 and 51,756.90 is: 77,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,605.60 : 227,408.40 = 51,756.90 : x
  2. Step 2: Convert to fraction form
    151,605.60/227,408.40 = 51,756.90/x
  3. Step 3: Cross multiply
    151,605.60x = 227,408.40 × 51,756.90
  4. Step 4: Simplify right side
    151,605.60x = 11,769,953,817.96
  5. Step 5: Solve for x
    x = 11,769,953,817.96/151,605.60
  6. Step 6: Final answer
    x = 77,635.35

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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.