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Finding the Fourth Proportional to 237,019.74, 355,476.96 and 68,503.30

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Solution

The fourth proportional to 237,019.74, 355,476.96 and 68,503.30 is: 102,739.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,019.74 : 355,476.96 = 68,503.30 : x
  2. Step 2: Convert to fraction form
    237,019.74/355,476.96 = 68,503.30/x
  3. Step 3: Cross multiply
    237,019.74x = 355,476.96 × 68,503.30
  4. Step 4: Simplify right side
    237,019.74x = 24,351,344,833.97
  5. Step 5: Solve for x
    x = 24,351,344,833.97/237,019.74
  6. Step 6: Final answer
    x = 102,739.73

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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.