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Finding the Fourth Proportional to 136,527.71, 204,791.54 and 43,033.43

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Solution

The fourth proportional to 136,527.71, 204,791.54 and 43,033.43 is: 64,550.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,527.71 : 204,791.54 = 43,033.43 : x
  2. Step 2: Convert to fraction form
    136,527.71/204,791.54 = 43,033.43/x
  3. Step 3: Cross multiply
    136,527.71x = 204,791.54 × 43,033.43
  4. Step 4: Simplify right side
    136,527.71x = 8,812,882,186.02
  5. Step 5: Solve for x
    x = 8,812,882,186.02/136,527.71
  6. Step 6: Final answer
    x = 64,550.14

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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.