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Finding the Fourth Proportional to 117,491.52, 162,092.16 and 67,163.52

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Solution

The fourth proportional to 117,491.52, 162,092.16 and 67,163.52 is: 92,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,491.52 : 162,092.16 = 67,163.52 : x
  2. Step 2: Convert to fraction form
    117,491.52/162,092.16 = 67,163.52/x
  3. Step 3: Cross multiply
    117,491.52x = 162,092.16 × 67,163.52
  4. Step 4: Simplify right side
    117,491.52x = 10,886,680,030.00
  5. Step 5: Solve for x
    x = 10,886,680,030.00/117,491.52
  6. Step 6: Final answer
    x = 92,659.28

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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.