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Finding the Fourth Proportional to 223,658.27, 308,530.76 and 132,949.71

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Solution

The fourth proportional to 223,658.27, 308,530.76 and 132,949.71 is: 183,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,658.27 : 308,530.76 = 132,949.71 : x
  2. Step 2: Convert to fraction form
    223,658.27/308,530.76 = 132,949.71/x
  3. Step 3: Cross multiply
    223,658.27x = 308,530.76 × 132,949.71
  4. Step 4: Simplify right side
    223,658.27x = 41,019,074,403.33
  5. Step 5: Solve for x
    x = 41,019,074,403.33/223,658.27
  6. Step 6: Final answer
    x = 183,400.66

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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.