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Finding the Fourth Proportional to 146,648.74, 202,375.24 and 79,580.74

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Solution

The fourth proportional to 146,648.74, 202,375.24 and 79,580.74 is: 109,821.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,648.74 : 202,375.24 = 79,580.74 : x
  2. Step 2: Convert to fraction form
    146,648.74/202,375.24 = 79,580.74/x
  3. Step 3: Cross multiply
    146,648.74x = 202,375.24 × 79,580.74
  4. Step 4: Simplify right side
    146,648.74x = 16,105,171,356.88
  5. Step 5: Solve for x
    x = 16,105,171,356.88/146,648.74
  6. Step 6: Final answer
    x = 109,821.41

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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.