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Finding the Fourth Proportional to 222,729.30, 334,134.45 and 72,927.90

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Solution

The fourth proportional to 222,729.30, 334,134.45 and 72,927.90 is: 109,405.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,729.30 : 334,134.45 = 72,927.90 : x
  2. Step 2: Convert to fraction form
    222,729.30/334,134.45 = 72,927.90/x
  3. Step 3: Cross multiply
    222,729.30x = 334,134.45 × 72,927.90
  4. Step 4: Simplify right side
    222,729.30x = 24,367,723,756.16
  5. Step 5: Solve for x
    x = 24,367,723,756.16/222,729.30
  6. Step 6: Final answer
    x = 109,405.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.