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Finding the Fourth Proportional to 201,360.96, 277,468.38 and 155,761.92

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Solution

The fourth proportional to 201,360.96, 277,468.38 and 155,761.92 is: 214,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,360.96 : 277,468.38 = 155,761.92 : x
  2. Step 2: Convert to fraction form
    201,360.96/277,468.38 = 155,761.92/x
  3. Step 3: Cross multiply
    201,360.96x = 277,468.38 × 155,761.92
  4. Step 4: Simplify right side
    201,360.96x = 43,219,007,608.09
  5. Step 5: Solve for x
    x = 43,219,007,608.09/201,360.96
  6. Step 6: Final answer
    x = 214,634.49

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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.