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Finding the Fourth Proportional to 240,103.30, 360,380.94 and 121,859.50

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Solution

The fourth proportional to 240,103.30, 360,380.94 and 121,859.50 is: 182,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,103.30 : 360,380.94 = 121,859.50 : x
  2. Step 2: Convert to fraction form
    240,103.30/360,380.94 = 121,859.50/x
  3. Step 3: Cross multiply
    240,103.30x = 360,380.94 × 121,859.50
  4. Step 4: Simplify right side
    240,103.30x = 43,915,841,157.93
  5. Step 5: Solve for x
    x = 43,915,841,157.93/240,103.30
  6. Step 6: Final answer
    x = 182,903.95

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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.