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Finding the Fourth Proportional to 235,418.40, 352,912.14 and 102,250.76

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Solution

The fourth proportional to 235,418.40, 352,912.14 and 102,250.76 is: 153,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,418.40 : 352,912.14 = 102,250.76 : x
  2. Step 2: Convert to fraction form
    235,418.40/352,912.14 = 102,250.76/x
  3. Step 3: Cross multiply
    235,418.40x = 352,912.14 × 102,250.76
  4. Step 4: Simplify right side
    235,418.40x = 36,085,532,763.67
  5. Step 5: Solve for x
    x = 36,085,532,763.67/235,418.40
  6. Step 6: Final answer
    x = 153,282.55

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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.