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Finding the Fourth Proportional to 201,151.68, 277,550.71 and 136,672.03

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Solution

The fourth proportional to 201,151.68, 277,550.71 and 136,672.03 is: 188,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,151.68 : 277,550.71 = 136,672.03 : x
  2. Step 2: Convert to fraction form
    201,151.68/277,550.71 = 136,672.03/x
  3. Step 3: Cross multiply
    201,151.68x = 277,550.71 × 136,672.03
  4. Step 4: Simplify right side
    201,151.68x = 37,933,418,963.64
  5. Step 5: Solve for x
    x = 37,933,418,963.64/201,151.68
  6. Step 6: Final answer
    x = 188,581.17

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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.