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Finding the Fourth Proportional to 235,278.40, 352,334.40 and 150,908.80

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Solution

The fourth proportional to 235,278.40, 352,334.40 and 150,908.80 is: 225,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,278.40 : 352,334.40 = 150,908.80 : x
  2. Step 2: Convert to fraction form
    235,278.40/352,334.40 = 150,908.80/x
  3. Step 3: Cross multiply
    235,278.40x = 352,334.40 × 150,908.80
  4. Step 4: Simplify right side
    235,278.40x = 53,170,361,502.72
  5. Step 5: Solve for x
    x = 53,170,361,502.72/235,278.40
  6. Step 6: Final answer
    x = 225,989.13

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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.