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Finding the Fourth Proportional to 201,350.57, 277,869.05 and 109,476.04

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Solution

The fourth proportional to 201,350.57, 277,869.05 and 109,476.04 is: 151,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,350.57 : 277,869.05 = 109,476.04 : x
  2. Step 2: Convert to fraction form
    201,350.57/277,869.05 = 109,476.04/x
  3. Step 3: Cross multiply
    201,350.57x = 277,869.05 × 109,476.04
  4. Step 4: Simplify right side
    201,350.57x = 30,420,003,232.56
  5. Step 5: Solve for x
    x = 30,420,003,232.56/201,350.57
  6. Step 6: Final answer
    x = 151,079.80

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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.