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Finding the Fourth Proportional to 201,374.70, 277,827.93 and 124,866.27

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Solution

The fourth proportional to 201,374.70, 277,827.93 and 124,866.27 is: 172,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,374.70 : 277,827.93 = 124,866.27 : x
  2. Step 2: Convert to fraction form
    201,374.70/277,827.93 = 124,866.27/x
  3. Step 3: Cross multiply
    201,374.70x = 277,827.93 × 124,866.27
  4. Step 4: Simplify right side
    201,374.70x = 34,691,337,320.92
  5. Step 5: Solve for x
    x = 34,691,337,320.92/201,374.70
  6. Step 6: Final answer
    x = 172,272.57

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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.