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Finding the Fourth Proportional to 200,736.98, 277,012.89 and 124,235.74

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Solution

The fourth proportional to 200,736.98, 277,012.89 and 124,235.74 is: 171,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,736.98 : 277,012.89 = 124,235.74 : x
  2. Step 2: Convert to fraction form
    200,736.98/277,012.89 = 124,235.74/x
  3. Step 3: Cross multiply
    200,736.98x = 277,012.89 × 124,235.74
  4. Step 4: Simplify right side
    200,736.98x = 34,414,901,378.69
  5. Step 5: Solve for x
    x = 34,414,901,378.69/200,736.98
  6. Step 6: Final answer
    x = 171,442.76

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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.