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Finding the Fourth Proportional to 71,969.52, 107,967.24 and 34,497.84

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Solution

The fourth proportional to 71,969.52, 107,967.24 and 34,497.84 is: 51,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,969.52 : 107,967.24 = 34,497.84 : x
  2. Step 2: Convert to fraction form
    71,969.52/107,967.24 = 34,497.84/x
  3. Step 3: Cross multiply
    71,969.52x = 107,967.24 × 34,497.84
  4. Step 4: Simplify right side
    71,969.52x = 3,724,636,570.76
  5. Step 5: Solve for x
    x = 3,724,636,570.76/71,969.52
  6. Step 6: Final answer
    x = 51,752.97

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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.