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Finding the Fourth Proportional to 368,542.38, 552,838.82 and 125,284.46

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Solution

The fourth proportional to 368,542.38, 552,838.82 and 125,284.46 is: 187,935.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,542.38 : 552,838.82 = 125,284.46 : x
  2. Step 2: Convert to fraction form
    368,542.38/552,838.82 = 125,284.46/x
  3. Step 3: Cross multiply
    368,542.38x = 552,838.82 × 125,284.46
  4. Step 4: Simplify right side
    368,542.38x = 69,262,109,640.12
  5. Step 5: Solve for x
    x = 69,262,109,640.12/368,542.38
  6. Step 6: Final answer
    x = 187,935.26

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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.