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Finding the Fourth Proportional to 231,484.41, 347,259.88 and 71,572.82

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Solution

The fourth proportional to 231,484.41, 347,259.88 and 71,572.82 is: 107,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,484.41 : 347,259.88 = 71,572.82 : x
  2. Step 2: Convert to fraction form
    231,484.41/347,259.88 = 71,572.82/x
  3. Step 3: Cross multiply
    231,484.41x = 347,259.88 × 71,572.82
  4. Step 4: Simplify right side
    231,484.41x = 24,854,366,835.03
  5. Step 5: Solve for x
    x = 24,854,366,835.03/231,484.41
  6. Step 6: Final answer
    x = 107,369.51

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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.