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Finding the Fourth Proportional to 233,350.50, 350,025.76 and 67,138.50

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Solution

The fourth proportional to 233,350.50, 350,025.76 and 67,138.50 is: 100,707.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,350.50 : 350,025.76 = 67,138.50 : x
  2. Step 2: Convert to fraction form
    233,350.50/350,025.76 = 67,138.50/x
  3. Step 3: Cross multiply
    233,350.50x = 350,025.76 × 67,138.50
  4. Step 4: Simplify right side
    233,350.50x = 23,500,204,487.76
  5. Step 5: Solve for x
    x = 23,500,204,487.76/233,350.50
  6. Step 6: Final answer
    x = 100,707.75

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1.5x scale

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.