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Finding the Fourth Proportional to 235,117.20, 324,535.50 and 150,234.60

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Solution

The fourth proportional to 235,117.20, 324,535.50 and 150,234.60 is: 207,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,117.20 : 324,535.50 = 150,234.60 : x
  2. Step 2: Convert to fraction form
    235,117.20/324,535.50 = 150,234.60/x
  3. Step 3: Cross multiply
    235,117.20x = 324,535.50 × 150,234.60
  4. Step 4: Simplify right side
    235,117.20x = 48,756,461,028.30
  5. Step 5: Solve for x
    x = 48,756,461,028.30/235,117.20
  6. Step 6: Final answer
    x = 207,370.88

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1.5x scale

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.