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Finding the Fourth Proportional to 251,425.68, 377,203.32 and 73,938.48

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Solution

The fourth proportional to 251,425.68, 377,203.32 and 73,938.48 is: 110,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,425.68 : 377,203.32 = 73,938.48 : x
  2. Step 2: Convert to fraction form
    251,425.68/377,203.32 = 73,938.48/x
  3. Step 3: Cross multiply
    251,425.68x = 377,203.32 × 73,938.48
  4. Step 4: Simplify right side
    251,425.68x = 27,889,840,131.75
  5. Step 5: Solve for x
    x = 27,889,840,131.75/251,425.68
  6. Step 6: Final answer
    x = 110,926.78

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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.