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Finding the Fourth Proportional to 163,228.66, 244,814.70 and 43,286.38

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Solution

The fourth proportional to 163,228.66, 244,814.70 and 43,286.38 is: 64,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,228.66 : 244,814.70 = 43,286.38 : x
  2. Step 2: Convert to fraction form
    163,228.66/244,814.70 = 43,286.38/x
  3. Step 3: Cross multiply
    163,228.66x = 244,814.70 × 43,286.38
  4. Step 4: Simplify right side
    163,228.66x = 10,597,142,133.79
  5. Step 5: Solve for x
    x = 10,597,142,133.79/163,228.66
  6. Step 6: Final answer
    x = 64,922.07

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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.