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Finding the Fourth Proportional to 222,644.61, 334,001.94 and 72,849.69

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Solution

The fourth proportional to 222,644.61, 334,001.94 and 72,849.69 is: 109,286.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,644.61 : 334,001.94 = 72,849.69 : x
  2. Step 2: Convert to fraction form
    222,644.61/334,001.94 = 72,849.69/x
  3. Step 3: Cross multiply
    222,644.61x = 334,001.94 × 72,849.69
  4. Step 4: Simplify right side
    222,644.61x = 24,331,937,788.40
  5. Step 5: Solve for x
    x = 24,331,937,788.40/222,644.61
  6. Step 6: Final answer
    x = 109,286.00

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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.