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Finding the Fourth Proportional to 222,735.60, 334,135.80 and 72,950.40

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Solution

The fourth proportional to 222,735.60, 334,135.80 and 72,950.40 is: 109,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,735.60 : 334,135.80 = 72,950.40 : x
  2. Step 2: Convert to fraction form
    222,735.60/334,135.80 = 72,950.40/x
  3. Step 3: Cross multiply
    222,735.60x = 334,135.80 × 72,950.40
  4. Step 4: Simplify right side
    222,735.60x = 24,375,340,264.32
  5. Step 5: Solve for x
    x = 24,375,340,264.32/222,735.60
  6. Step 6: Final answer
    x = 109,436.21

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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.