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Finding the Fourth Proportional to 201,238.92, 277,660.98 and 111,814.92

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Solution

The fourth proportional to 201,238.92, 277,660.98 and 111,814.92 is: 154,277.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,238.92 : 277,660.98 = 111,814.92 : x
  2. Step 2: Convert to fraction form
    201,238.92/277,660.98 = 111,814.92/x
  3. Step 3: Cross multiply
    201,238.92x = 277,660.98 × 111,814.92
  4. Step 4: Simplify right side
    201,238.92x = 31,046,640,265.82
  5. Step 5: Solve for x
    x = 31,046,640,265.82/201,238.92
  6. Step 6: Final answer
    x = 154,277.51

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1.5x scale

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.