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Finding the Fourth Proportional to 69,836.04, 96,261.84 and 47,167.92

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Solution

The fourth proportional to 69,836.04, 96,261.84 and 47,167.92 is: 65,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,836.04 : 96,261.84 = 47,167.92 : x
  2. Step 2: Convert to fraction form
    69,836.04/96,261.84 = 47,167.92/x
  3. Step 3: Cross multiply
    69,836.04x = 96,261.84 × 47,167.92
  4. Step 4: Simplify right side
    69,836.04x = 4,540,470,768.17
  5. Step 5: Solve for x
    x = 4,540,470,768.17/69,836.04
  6. Step 6: Final answer
    x = 65,016.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.