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Finding the Fourth Proportional to 222,665.28, 333,926.64 and 72,864.96

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Solution

The fourth proportional to 222,665.28, 333,926.64 and 72,864.96 is: 109,274.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,665.28 : 333,926.64 = 72,864.96 : x
  2. Step 2: Convert to fraction form
    222,665.28/333,926.64 = 72,864.96/x
  3. Step 3: Cross multiply
    222,665.28x = 333,926.64 × 72,864.96
  4. Step 4: Simplify right side
    222,665.28x = 24,331,551,266.53
  5. Step 5: Solve for x
    x = 24,331,551,266.53/222,665.28
  6. Step 6: Final answer
    x = 109,274.11

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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.