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Finding the Fourth Proportional to 240,592.75, 332,105.48 and 139,990.75

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Solution

The fourth proportional to 240,592.75, 332,105.48 and 139,990.75 is: 193,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,592.75 : 332,105.48 = 139,990.75 : x
  2. Step 2: Convert to fraction form
    240,592.75/332,105.48 = 139,990.75/x
  3. Step 3: Cross multiply
    240,592.75x = 332,105.48 × 139,990.75
  4. Step 4: Simplify right side
    240,592.75x = 46,491,695,224.31
  5. Step 5: Solve for x
    x = 46,491,695,224.31/240,592.75
  6. Step 6: Final answer
    x = 193,238.14

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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.