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Finding the Fourth Proportional to 240,518.53, 360,719.47 and 100,200.61

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Solution

The fourth proportional to 240,518.53, 360,719.47 and 100,200.61 is: 150,276.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,518.53 : 360,719.47 = 100,200.61 : x
  2. Step 2: Convert to fraction form
    240,518.53/360,719.47 = 100,200.61/x
  3. Step 3: Cross multiply
    240,518.53x = 360,719.47 × 100,200.61
  4. Step 4: Simplify right side
    240,518.53x = 36,144,310,932.88
  5. Step 5: Solve for x
    x = 36,144,310,932.88/240,518.53
  6. Step 6: Final answer
    x = 150,276.62

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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.