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Finding the Fourth Proportional to 222,728.60, 334,125.30 and 72,932.60

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Solution

The fourth proportional to 222,728.60, 334,125.30 and 72,932.60 is: 109,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,728.60 : 334,125.30 = 72,932.60 : x
  2. Step 2: Convert to fraction form
    222,728.60/334,125.30 = 72,932.60/x
  3. Step 3: Cross multiply
    222,728.60x = 334,125.30 × 72,932.60
  4. Step 4: Simplify right side
    222,728.60x = 24,368,626,854.78
  5. Step 5: Solve for x
    x = 24,368,626,854.78/222,728.60
  6. Step 6: Final answer
    x = 109,409.51

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1.5x scale

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.