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Finding the Fourth Proportional to 339,187.42, 468,115.77 and 194,006.53

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Solution

The fourth proportional to 339,187.42, 468,115.77 and 194,006.53 is: 267,750.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,187.42 : 468,115.77 = 194,006.53 : x
  2. Step 2: Convert to fraction form
    339,187.42/468,115.77 = 194,006.53/x
  3. Step 3: Cross multiply
    339,187.42x = 468,115.77 × 194,006.53
  4. Step 4: Simplify right side
    339,187.42x = 90,817,516,175.98
  5. Step 5: Solve for x
    x = 90,817,516,175.98/339,187.42
  6. Step 6: Final answer
    x = 267,750.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.