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Finding the Fourth Proportional to 234,735.61, 352,123.11 and 74,834.26

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Solution

The fourth proportional to 234,735.61, 352,123.11 and 74,834.26 is: 112,257.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,735.61 : 352,123.11 = 74,834.26 : x
  2. Step 2: Convert to fraction form
    234,735.61/352,123.11 = 74,834.26/x
  3. Step 3: Cross multiply
    234,735.61x = 352,123.11 × 74,834.26
  4. Step 4: Simplify right side
    234,735.61x = 26,350,872,365.75
  5. Step 5: Solve for x
    x = 26,350,872,365.75/234,735.61
  6. Step 6: Final answer
    x = 112,257.67

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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.