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Finding the Fourth Proportional to 240,083.99, 360,144.21 and 71,591.13

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Solution

The fourth proportional to 240,083.99, 360,144.21 and 71,591.13 is: 107,392.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,083.99 : 360,144.21 = 71,591.13 : x
  2. Step 2: Convert to fraction form
    240,083.99/360,144.21 = 71,591.13/x
  3. Step 3: Cross multiply
    240,083.99x = 360,144.21 × 71,591.13
  4. Step 4: Simplify right side
    240,083.99x = 25,783,130,956.86
  5. Step 5: Solve for x
    x = 25,783,130,956.86/240,083.99
  6. Step 6: Final answer
    x = 107,392.13

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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.