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Finding the Fourth Proportional to 119,783.82, 179,794.62 and 63,624.40

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Solution

The fourth proportional to 119,783.82, 179,794.62 and 63,624.40 is: 95,499.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,783.82 : 179,794.62 = 63,624.40 : x
  2. Step 2: Convert to fraction form
    119,783.82/179,794.62 = 63,624.40/x
  3. Step 3: Cross multiply
    119,783.82x = 179,794.62 × 63,624.40
  4. Step 4: Simplify right side
    119,783.82x = 11,439,324,371.24
  5. Step 5: Solve for x
    x = 11,439,324,371.24/119,783.82
  6. Step 6: Final answer
    x = 95,499.74

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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.