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Finding the Fourth Proportional to 222,718.88, 334,135.02 and 72,969.32

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Solution

The fourth proportional to 222,718.88, 334,135.02 and 72,969.32 is: 109,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,718.88 : 334,135.02 = 72,969.32 : x
  2. Step 2: Convert to fraction form
    222,718.88/334,135.02 = 72,969.32/x
  3. Step 3: Cross multiply
    222,718.88x = 334,135.02 × 72,969.32
  4. Step 4: Simplify right side
    222,718.88x = 24,381,605,197.59
  5. Step 5: Solve for x
    x = 24,381,605,197.59/222,718.88
  6. Step 6: Final answer
    x = 109,472.56

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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.