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Finding the Fourth Proportional to 355,791.97, 533,725.26 and 115,924.51

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Solution

The fourth proportional to 355,791.97, 533,725.26 and 115,924.51 is: 173,898.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,791.97 : 533,725.26 = 115,924.51 : x
  2. Step 2: Convert to fraction form
    355,791.97/533,725.26 = 115,924.51/x
  3. Step 3: Cross multiply
    355,791.97x = 533,725.26 × 115,924.51
  4. Step 4: Simplify right side
    355,791.97x = 61,871,839,240.12
  5. Step 5: Solve for x
    x = 61,871,839,240.12/355,791.97
  6. Step 6: Final answer
    x = 173,898.92

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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.