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Finding the Fourth Proportional to 163,406.39, 225,465.83 and 95,392.49

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Solution

The fourth proportional to 163,406.39, 225,465.83 and 95,392.49 is: 131,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,406.39 : 225,465.83 = 95,392.49 : x
  2. Step 2: Convert to fraction form
    163,406.39/225,465.83 = 95,392.49/x
  3. Step 3: Cross multiply
    163,406.39x = 225,465.83 × 95,392.49
  4. Step 4: Simplify right side
    163,406.39x = 21,507,746,456.65
  5. Step 5: Solve for x
    x = 21,507,746,456.65/163,406.39
  6. Step 6: Final answer
    x = 131,621.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.