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Finding the Fourth Proportional to 240,540.75, 360,803.67 and 114,271.86

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Solution

The fourth proportional to 240,540.75, 360,803.67 and 114,271.86 is: 171,404.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,540.75 : 360,803.67 = 114,271.86 : x
  2. Step 2: Convert to fraction form
    240,540.75/360,803.67 = 114,271.86/x
  3. Step 3: Cross multiply
    240,540.75x = 360,803.67 × 114,271.86
  4. Step 4: Simplify right side
    240,540.75x = 41,229,706,465.73
  5. Step 5: Solve for x
    x = 41,229,706,465.73/240,540.75
  6. Step 6: Final answer
    x = 171,404.25

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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.