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Finding the Fourth Proportional to 243,022.29, 335,362.92 and 132,636.71

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Solution

The fourth proportional to 243,022.29, 335,362.92 and 132,636.71 is: 183,034.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,022.29 : 335,362.92 = 132,636.71 : x
  2. Step 2: Convert to fraction form
    243,022.29/335,362.92 = 132,636.71/x
  3. Step 3: Cross multiply
    243,022.29x = 335,362.92 × 132,636.71
  4. Step 4: Simplify right side
    243,022.29x = 44,481,434,364.79
  5. Step 5: Solve for x
    x = 44,481,434,364.79/243,022.29
  6. Step 6: Final answer
    x = 183,034.38

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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.