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Finding the Fourth Proportional to 194,263.92, 291,429.90 and 89,093.52

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Solution

The fourth proportional to 194,263.92, 291,429.90 and 89,093.52 is: 133,655.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,263.92 : 291,429.90 = 89,093.52 : x
  2. Step 2: Convert to fraction form
    194,263.92/291,429.90 = 89,093.52/x
  3. Step 3: Cross multiply
    194,263.92x = 291,429.90 × 89,093.52
  4. Step 4: Simplify right side
    194,263.92x = 25,964,515,624.25
  5. Step 5: Solve for x
    x = 25,964,515,624.25/194,263.92
  6. Step 6: Final answer
    x = 133,655.88

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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.