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Finding the Fourth Proportional to 117,512.94, 162,167.86 and 63,797.96

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Solution

The fourth proportional to 117,512.94, 162,167.86 and 63,797.96 is: 88,041.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,512.94 : 162,167.86 = 63,797.96 : x
  2. Step 2: Convert to fraction form
    117,512.94/162,167.86 = 63,797.96/x
  3. Step 3: Cross multiply
    117,512.94x = 162,167.86 × 63,797.96
  4. Step 4: Simplify right side
    117,512.94x = 10,345,977,867.79
  5. Step 5: Solve for x
    x = 10,345,977,867.79/117,512.94
  6. Step 6: Final answer
    x = 88,041.18

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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.