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Finding the Fourth Proportional to 117,508.97, 162,165.69 and 63,797.49

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Solution

The fourth proportional to 117,508.97, 162,165.69 and 63,797.49 is: 88,042.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,508.97 : 162,165.69 = 63,797.49 : x
  2. Step 2: Convert to fraction form
    117,508.97/162,165.69 = 63,797.49/x
  3. Step 3: Cross multiply
    117,508.97x = 162,165.69 × 63,797.49
  4. Step 4: Simplify right side
    117,508.97x = 10,345,763,986.12
  5. Step 5: Solve for x
    x = 10,345,763,986.12/117,508.97
  6. Step 6: Final answer
    x = 88,042.34

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1.5x scale

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.