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Finding the Fourth Proportional to 150,538.50, 225,895.23 and 67,432.50

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Solution

The fourth proportional to 150,538.50, 225,895.23 and 67,432.50 is: 101,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,538.50 : 225,895.23 = 67,432.50 : x
  2. Step 2: Convert to fraction form
    150,538.50/225,895.23 = 67,432.50/x
  3. Step 3: Cross multiply
    150,538.50x = 225,895.23 × 67,432.50
  4. Step 4: Simplify right side
    150,538.50x = 15,232,680,096.98
  5. Step 5: Solve for x
    x = 15,232,680,096.98/150,538.50
  6. Step 6: Final answer
    x = 101,187.94

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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.