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Finding the Fourth Proportional to 146,523.78, 202,202.94 and 79,455.78

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Solution

The fourth proportional to 146,523.78, 202,202.94 and 79,455.78 is: 109,649.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,523.78 : 202,202.94 = 79,455.78 : x
  2. Step 2: Convert to fraction form
    146,523.78/202,202.94 = 79,455.78/x
  3. Step 3: Cross multiply
    146,523.78x = 202,202.94 × 79,455.78
  4. Step 4: Simplify right side
    146,523.78x = 16,066,192,315.99
  5. Step 5: Solve for x
    x = 16,066,192,315.99/146,523.78
  6. Step 6: Final answer
    x = 109,649.04

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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.