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Finding the Fourth Proportional to 222,438, 333,671.56 and 89,300.72

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Solution

The fourth proportional to 222,438, 333,671.56 and 89,300.72 is: 133,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,438 : 333,671.56 = 89,300.72 : x
  2. Step 2: Convert to fraction form
    222,438/333,671.56 = 89,300.72/x
  3. Step 3: Cross multiply
    222,438x = 333,671.56 × 89,300.72
  4. Step 4: Simplify right side
    222,438x = 29,797,110,551.52
  5. Step 5: Solve for x
    x = 29,797,110,551.52/222,438
  6. Step 6: Final answer
    x = 133,956.93

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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.