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Finding the Fourth Proportional to 125,740.98, 188,614.80 and 36,997.38

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Solution

The fourth proportional to 125,740.98, 188,614.80 and 36,997.38 is: 55,497.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,740.98 : 188,614.80 = 36,997.38 : x
  2. Step 2: Convert to fraction form
    125,740.98/188,614.80 = 36,997.38/x
  3. Step 3: Cross multiply
    125,740.98x = 188,614.80 × 36,997.38
  4. Step 4: Simplify right side
    125,740.98x = 6,978,253,429.22
  5. Step 5: Solve for x
    x = 6,978,253,429.22/125,740.98
  6. Step 6: Final answer
    x = 55,497.05

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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.