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Finding the Fourth Proportional to 231,575.82, 319,574.63 and 125,591.82

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Solution

The fourth proportional to 231,575.82, 319,574.63 and 125,591.82 is: 173,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,575.82 : 319,574.63 = 125,591.82 : x
  2. Step 2: Convert to fraction form
    231,575.82/319,574.63 = 125,591.82/x
  3. Step 3: Cross multiply
    231,575.82x = 319,574.63 × 125,591.82
  4. Step 4: Simplify right side
    231,575.82x = 40,135,958,779.57
  5. Step 5: Solve for x
    x = 40,135,958,779.57/231,575.82
  6. Step 6: Final answer
    x = 173,316.71

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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.