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Finding the Fourth Proportional to 222,666.28, 333,928.14 and 72,865.96

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Solution

The fourth proportional to 222,666.28, 333,928.14 and 72,865.96 is: 109,275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,666.28 : 333,928.14 = 72,865.96 : x
  2. Step 2: Convert to fraction form
    222,666.28/333,928.14 = 72,865.96/x
  3. Step 3: Cross multiply
    222,666.28x = 333,928.14 × 72,865.96
  4. Step 4: Simplify right side
    222,666.28x = 24,331,994,492.11
  5. Step 5: Solve for x
    x = 24,331,994,492.11/222,666.28
  6. Step 6: Final answer
    x = 109,275.61

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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.