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Finding the Fourth Proportional to 164,442.66, 226,930.87 and 88,991.16

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Solution

The fourth proportional to 164,442.66, 226,930.87 and 88,991.16 is: 122,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,442.66 : 226,930.87 = 88,991.16 : x
  2. Step 2: Convert to fraction form
    164,442.66/226,930.87 = 88,991.16/x
  3. Step 3: Cross multiply
    164,442.66x = 226,930.87 × 88,991.16
  4. Step 4: Simplify right side
    164,442.66x = 20,194,840,120.78
  5. Step 5: Solve for x
    x = 20,194,840,120.78/164,442.66
  6. Step 6: Final answer
    x = 122,807.80

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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.