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Finding the Fourth Proportional to 231,483.52, 347,258.55 and 71,571.92

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Solution

The fourth proportional to 231,483.52, 347,258.55 and 71,571.92 is: 107,368.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,483.52 : 347,258.55 = 71,571.92 : x
  2. Step 2: Convert to fraction form
    231,483.52/347,258.55 = 71,571.92/x
  3. Step 3: Cross multiply
    231,483.52x = 347,258.55 × 71,571.92
  4. Step 4: Simplify right side
    231,483.52x = 24,853,962,028.06
  5. Step 5: Solve for x
    x = 24,853,962,028.06/231,483.52
  6. Step 6: Final answer
    x = 107,368.17

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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.