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Finding the Fourth Proportional to 164,018.80, 226,344.90 and 92,421.87

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Solution

The fourth proportional to 164,018.80, 226,344.90 and 92,421.87 is: 127,541.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,018.80 : 226,344.90 = 92,421.87 : x
  2. Step 2: Convert to fraction form
    164,018.80/226,344.90 = 92,421.87/x
  3. Step 3: Cross multiply
    164,018.80x = 226,344.90 × 92,421.87
  4. Step 4: Simplify right side
    164,018.80x = 20,919,218,922.96
  5. Step 5: Solve for x
    x = 20,919,218,922.96/164,018.80
  6. Step 6: Final answer
    x = 127,541.59

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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.