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Finding the Fourth Proportional to 240,103.93, 360,151.79 and 71,624.74

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Solution

The fourth proportional to 240,103.93, 360,151.79 and 71,624.74 is: 107,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,103.93 : 360,151.79 = 71,624.74 : x
  2. Step 2: Convert to fraction form
    240,103.93/360,151.79 = 71,624.74/x
  3. Step 3: Cross multiply
    240,103.93x = 360,151.79 × 71,624.74
  4. Step 4: Simplify right side
    240,103.93x = 25,795,777,736.07
  5. Step 5: Solve for x
    x = 25,795,777,736.07/240,103.93
  6. Step 6: Final answer
    x = 107,435.88

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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.