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Finding the Fourth Proportional to 164,442.52, 226,930.90 and 88,991.02

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Solution

The fourth proportional to 164,442.52, 226,930.90 and 88,991.02 is: 122,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,442.52 : 226,930.90 = 88,991.02 : x
  2. Step 2: Convert to fraction form
    164,442.52/226,930.90 = 88,991.02/x
  3. Step 3: Cross multiply
    164,442.52x = 226,930.90 × 88,991.02
  4. Step 4: Simplify right side
    164,442.52x = 20,194,811,125.86
  5. Step 5: Solve for x
    x = 20,194,811,125.86/164,442.52
  6. Step 6: Final answer
    x = 122,807.72

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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.