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Finding the Fourth Proportional to 442,194.16, 663,288.72 and 126,651.16

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Solution

The fourth proportional to 442,194.16, 663,288.72 and 126,651.16 is: 189,976.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,194.16 : 663,288.72 = 126,651.16 : x
  2. Step 2: Convert to fraction form
    442,194.16/663,288.72 = 126,651.16/x
  3. Step 3: Cross multiply
    442,194.16x = 663,288.72 × 126,651.16
  4. Step 4: Simplify right side
    442,194.16x = 84,006,285,802.92
  5. Step 5: Solve for x
    x = 84,006,285,802.92/442,194.16
  6. Step 6: Final answer
    x = 189,976.02

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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.