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Finding the Fourth Proportional to 100,608.00, 150,942.18 and 40,605.60

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Solution

The fourth proportional to 100,608.00, 150,942.18 and 40,605.60 is: 60,920.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,608.00 : 150,942.18 = 40,605.60 : x
  2. Step 2: Convert to fraction form
    100,608.00/150,942.18 = 40,605.60/x
  3. Step 3: Cross multiply
    100,608.00x = 150,942.18 × 40,605.60
  4. Step 4: Simplify right side
    100,608.00x = 6,129,098,502.51
  5. Step 5: Solve for x
    x = 6,129,098,502.51/100,608.00
  6. Step 6: Final answer
    x = 60,920.59

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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.