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Finding the Fourth Proportional to 365,412.53, 548,112.76 and 109,245.69

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Solution

The fourth proportional to 365,412.53, 548,112.76 and 109,245.69 is: 163,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,412.53 : 548,112.76 = 109,245.69 : x
  2. Step 2: Convert to fraction form
    365,412.53/548,112.76 = 109,245.69/x
  3. Step 3: Cross multiply
    365,412.53x = 548,112.76 × 109,245.69
  4. Step 4: Simplify right side
    365,412.53x = 59,878,958,446.31
  5. Step 5: Solve for x
    x = 59,878,958,446.31/365,412.53
  6. Step 6: Final answer
    x = 163,866.73

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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.