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Finding the Fourth Proportional to 226,493.80, 339,740.70 and 174,167.40

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Solution

The fourth proportional to 226,493.80, 339,740.70 and 174,167.40 is: 261,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,493.80 : 339,740.70 = 174,167.40 : x
  2. Step 2: Convert to fraction form
    226,493.80/339,740.70 = 174,167.40/x
  3. Step 3: Cross multiply
    226,493.80x = 339,740.70 × 174,167.40
  4. Step 4: Simplify right side
    226,493.80x = 59,171,754,393.18
  5. Step 5: Solve for x
    x = 59,171,754,393.18/226,493.80
  6. Step 6: Final answer
    x = 261,251.10

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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.