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Finding the Fourth Proportional to 269,308.60, 371,631.42 and 148,425.82

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Solution

The fourth proportional to 269,308.60, 371,631.42 and 148,425.82 is: 204,819.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,308.60 : 371,631.42 = 148,425.82 : x
  2. Step 2: Convert to fraction form
    269,308.60/371,631.42 = 148,425.82/x
  3. Step 3: Cross multiply
    269,308.60x = 371,631.42 × 148,425.82
  4. Step 4: Simplify right side
    269,308.60x = 55,159,698,251.26
  5. Step 5: Solve for x
    x = 55,159,698,251.26/269,308.60
  6. Step 6: Final answer
    x = 204,819.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.