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Finding the Fourth Proportional to 89,408.64, 134,112.78 and 22,848.76

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Solution

The fourth proportional to 89,408.64, 134,112.78 and 22,848.76 is: 34,273.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,408.64 : 134,112.78 = 22,848.76 : x
  2. Step 2: Convert to fraction form
    89,408.64/134,112.78 = 22,848.76/x
  3. Step 3: Cross multiply
    89,408.64x = 134,112.78 × 22,848.76
  4. Step 4: Simplify right side
    89,408.64x = 3,064,310,723.15
  5. Step 5: Solve for x
    x = 3,064,310,723.15/89,408.64
  6. Step 6: Final answer
    x = 34,273.09

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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.