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Finding the Fourth Proportional to 201,091.83, 277,439.19 and 113,865.04

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Solution

The fourth proportional to 201,091.83, 277,439.19 and 113,865.04 is: 157,095.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,091.83 : 277,439.19 = 113,865.04 : x
  2. Step 2: Convert to fraction form
    201,091.83/277,439.19 = 113,865.04/x
  3. Step 3: Cross multiply
    201,091.83x = 277,439.19 × 113,865.04
  4. Step 4: Simplify right side
    201,091.83x = 31,590,625,604.82
  5. Step 5: Solve for x
    x = 31,590,625,604.82/201,091.83
  6. Step 6: Final answer
    x = 157,095.52

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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.