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Finding the Fourth Proportional to 231,804.66, 347,756.95 and 71,877.38

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Solution

The fourth proportional to 231,804.66, 347,756.95 and 71,877.38 is: 107,831.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,804.66 : 347,756.95 = 71,877.38 : x
  2. Step 2: Convert to fraction form
    231,804.66/347,756.95 = 71,877.38/x
  3. Step 3: Cross multiply
    231,804.66x = 347,756.95 × 71,877.38
  4. Step 4: Simplify right side
    231,804.66x = 24,995,858,517.76
  5. Step 5: Solve for x
    x = 24,995,858,517.76/231,804.66
  6. Step 6: Final answer
    x = 107,831.56

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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.