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Finding the Fourth Proportional to 235,512.50, 324,868.89 and 148,158.69

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Solution

The fourth proportional to 235,512.50, 324,868.89 and 148,158.69 is: 204,371.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,512.50 : 324,868.89 = 148,158.69 : x
  2. Step 2: Convert to fraction form
    235,512.50/324,868.89 = 148,158.69/x
  3. Step 3: Cross multiply
    235,512.50x = 324,868.89 × 148,158.69
  4. Step 4: Simplify right side
    235,512.50x = 48,132,147,539.81
  5. Step 5: Solve for x
    x = 48,132,147,539.81/235,512.50
  6. Step 6: Final answer
    x = 204,371.94

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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.