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Finding the Fourth Proportional to 222,387, 333,615.06 and 74,677.56

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Solution

The fourth proportional to 222,387, 333,615.06 and 74,677.56 is: 112,027.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,387 : 333,615.06 = 74,677.56 : x
  2. Step 2: Convert to fraction form
    222,387/333,615.06 = 74,677.56/x
  3. Step 3: Cross multiply
    222,387x = 333,615.06 × 74,677.56
  4. Step 4: Simplify right side
    222,387x = 24,913,558,660.05
  5. Step 5: Solve for x
    x = 24,913,558,660.05/222,387
  6. Step 6: Final answer
    x = 112,027.95

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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.