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Finding the Fourth Proportional to 117,806.97, 176,709.60 and 47,685.27

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Solution

The fourth proportional to 117,806.97, 176,709.60 and 47,685.27 is: 71,527.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,806.97 : 176,709.60 = 47,685.27 : x
  2. Step 2: Convert to fraction form
    117,806.97/176,709.60 = 47,685.27/x
  3. Step 3: Cross multiply
    117,806.97x = 176,709.60 × 47,685.27
  4. Step 4: Simplify right side
    117,806.97x = 8,426,444,987.59
  5. Step 5: Solve for x
    x = 8,426,444,987.59/117,806.97
  6. Step 6: Final answer
    x = 71,527.56

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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.