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Finding the Fourth Proportional to 146,175.93, 201,722.78 and 79,107.93

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Solution

The fourth proportional to 146,175.93, 201,722.78 and 79,107.93 is: 109,168.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,175.93 : 201,722.78 = 79,107.93 : x
  2. Step 2: Convert to fraction form
    146,175.93/201,722.78 = 79,107.93/x
  3. Step 3: Cross multiply
    146,175.93x = 201,722.78 × 79,107.93
  4. Step 4: Simplify right side
    146,175.93x = 15,957,871,883.49
  5. Step 5: Solve for x
    x = 15,957,871,883.49/146,175.93
  6. Step 6: Final answer
    x = 109,168.94

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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.