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Finding the Fourth Proportional to 192,298.53, 288,447.99 and 50,143.68

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Solution

The fourth proportional to 192,298.53, 288,447.99 and 50,143.68 is: 75,215.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,298.53 : 288,447.99 = 50,143.68 : x
  2. Step 2: Convert to fraction form
    192,298.53/288,447.99 = 50,143.68/x
  3. Step 3: Cross multiply
    192,298.53x = 288,447.99 × 50,143.68
  4. Step 4: Simplify right side
    192,298.53x = 14,463,843,707.20
  5. Step 5: Solve for x
    x = 14,463,843,707.20/192,298.53
  6. Step 6: Final answer
    x = 75,215.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.