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Finding the Fourth Proportional to 117,464.50, 162,101.19 and 67,164.58

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Solution

The fourth proportional to 117,464.50, 162,101.19 and 67,164.58 is: 92,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,464.50 : 162,101.19 = 67,164.58 : x
  2. Step 2: Convert to fraction form
    117,464.50/162,101.19 = 67,164.58/x
  3. Step 3: Cross multiply
    117,464.50x = 162,101.19 × 67,164.58
  4. Step 4: Simplify right side
    117,464.50x = 10,887,458,343.85
  5. Step 5: Solve for x
    x = 10,887,458,343.85/117,464.50
  6. Step 6: Final answer
    x = 92,687.22

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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.