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Finding the Fourth Proportional to 117,506.98, 162,158.68 and 63,791.90

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Solution

The fourth proportional to 117,506.98, 162,158.68 and 63,791.90 is: 88,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,506.98 : 162,158.68 = 63,791.90 : x
  2. Step 2: Convert to fraction form
    117,506.98/162,158.68 = 63,791.90/x
  3. Step 3: Cross multiply
    117,506.98x = 162,158.68 × 63,791.90
  4. Step 4: Simplify right side
    117,506.98x = 10,344,410,298.69
  5. Step 5: Solve for x
    x = 10,344,410,298.69/117,506.98
  6. Step 6: Final answer
    x = 88,032.30

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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.