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Finding the Fourth Proportional to 240,997.42, 332,500.44 and 139,009.21

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Solution

The fourth proportional to 240,997.42, 332,500.44 and 139,009.21 is: 191,788.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,997.42 : 332,500.44 = 139,009.21 : x
  2. Step 2: Convert to fraction form
    240,997.42/332,500.44 = 139,009.21/x
  3. Step 3: Cross multiply
    240,997.42x = 332,500.44 × 139,009.21
  4. Step 4: Simplify right side
    240,997.42x = 46,220,623,489.05
  5. Step 5: Solve for x
    x = 46,220,623,489.05/240,997.42
  6. Step 6: Final answer
    x = 191,788.87

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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.