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Finding the Fourth Proportional to 79,427.78, 119,115.75 and 35,052.74

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Solution

The fourth proportional to 79,427.78, 119,115.75 and 35,052.74 is: 52,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,427.78 : 119,115.75 = 35,052.74 : x
  2. Step 2: Convert to fraction form
    79,427.78/119,115.75 = 35,052.74/x
  3. Step 3: Cross multiply
    79,427.78x = 119,115.75 × 35,052.74
  4. Step 4: Simplify right side
    79,427.78x = 4,175,333,414.66
  5. Step 5: Solve for x
    x = 4,175,333,414.66/79,427.78
  6. Step 6: Final answer
    x = 52,567.67

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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.