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Finding the Fourth Proportional to 146,175.69, 201,722.43 and 79,107.69

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Solution

The fourth proportional to 146,175.69, 201,722.43 and 79,107.69 is: 109,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,175.69 : 201,722.43 = 79,107.69 : x
  2. Step 2: Convert to fraction form
    146,175.69/201,722.43 = 79,107.69/x
  3. Step 3: Cross multiply
    146,175.69x = 201,722.43 × 79,107.69
  4. Step 4: Simplify right side
    146,175.69x = 15,957,795,376.91
  5. Step 5: Solve for x
    x = 15,957,795,376.91/146,175.69
  6. Step 6: Final answer
    x = 109,168.60

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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.