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Finding the Fourth Proportional to 146,393.49, 202,021.33 and 79,325.49

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Solution

The fourth proportional to 146,393.49, 202,021.33 and 79,325.49 is: 109,468.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,393.49 : 202,021.33 = 79,325.49 : x
  2. Step 2: Convert to fraction form
    146,393.49/202,021.33 = 79,325.49/x
  3. Step 3: Cross multiply
    146,393.49x = 202,021.33 × 79,325.49
  4. Step 4: Simplify right side
    146,393.49x = 16,025,440,992.70
  5. Step 5: Solve for x
    x = 16,025,440,992.70/146,393.49
  6. Step 6: Final answer
    x = 109,468.26

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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.