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Finding the Fourth Proportional to 146,649.23, 202,375.94 and 79,581.23

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Solution

The fourth proportional to 146,649.23, 202,375.94 and 79,581.23 is: 109,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,649.23 : 202,375.94 = 79,581.23 : x
  2. Step 2: Convert to fraction form
    146,649.23/202,375.94 = 79,581.23/x
  3. Step 3: Cross multiply
    146,649.23x = 202,375.94 × 79,581.23
  4. Step 4: Simplify right side
    146,649.23x = 16,105,327,386.56
  5. Step 5: Solve for x
    x = 16,105,327,386.56/146,649.23
  6. Step 6: Final answer
    x = 109,822.10

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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.