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Finding the Fourth Proportional to 237,912.50, 356,869.02 and 71,700.50

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Solution

The fourth proportional to 237,912.50, 356,869.02 and 71,700.50 is: 107,550.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,912.50 : 356,869.02 = 71,700.50 : x
  2. Step 2: Convert to fraction form
    237,912.50/356,869.02 = 71,700.50/x
  3. Step 3: Cross multiply
    237,912.50x = 356,869.02 × 71,700.50
  4. Step 4: Simplify right side
    237,912.50x = 25,587,687,168.51
  5. Step 5: Solve for x
    x = 25,587,687,168.51/237,912.50
  6. Step 6: Final answer
    x = 107,550.83

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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.