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Finding the Fourth Proportional to 444,097.20, 666,145.80 and 163,723.80

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Solution

The fourth proportional to 444,097.20, 666,145.80 and 163,723.80 is: 245,585.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,097.20 : 666,145.80 = 163,723.80 : x
  2. Step 2: Convert to fraction form
    444,097.20/666,145.80 = 163,723.80/x
  3. Step 3: Cross multiply
    444,097.20x = 666,145.80 × 163,723.80
  4. Step 4: Simplify right side
    444,097.20x = 109,063,921,730.04
  5. Step 5: Solve for x
    x = 109,063,921,730.04/444,097.20
  6. Step 6: Final answer
    x = 245,585.70

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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.