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Finding the Fourth Proportional to 253,949.00, 350,447.68 and 139,226.27

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Solution

The fourth proportional to 253,949.00, 350,447.68 and 139,226.27 is: 192,131.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,949.00 : 350,447.68 = 139,226.27 : x
  2. Step 2: Convert to fraction form
    253,949.00/350,447.68 = 139,226.27/x
  3. Step 3: Cross multiply
    253,949.00x = 350,447.68 × 139,226.27
  4. Step 4: Simplify right side
    253,949.00x = 48,791,521,738.35
  5. Step 5: Solve for x
    x = 48,791,521,738.35/253,949.00
  6. Step 6: Final answer
    x = 192,131.19

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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.