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Finding the Fourth Proportional to 71,664.95, 107,527.03 and 36,107.06

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Solution

The fourth proportional to 71,664.95, 107,527.03 and 36,107.06 is: 54,175.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,664.95 : 107,527.03 = 36,107.06 : x
  2. Step 2: Convert to fraction form
    71,664.95/107,527.03 = 36,107.06/x
  3. Step 3: Cross multiply
    71,664.95x = 107,527.03 × 36,107.06
  4. Step 4: Simplify right side
    71,664.95x = 3,882,484,295.93
  5. Step 5: Solve for x
    x = 3,882,484,295.93/71,664.95
  6. Step 6: Final answer
    x = 54,175.50

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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.