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Finding the Fourth Proportional to 220,309.92, 330,464.20 and 62,538.48

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Solution

The fourth proportional to 220,309.92, 330,464.20 and 62,538.48 is: 93,807.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,309.92 : 330,464.20 = 62,538.48 : x
  2. Step 2: Convert to fraction form
    220,309.92/330,464.20 = 62,538.48/x
  3. Step 3: Cross multiply
    220,309.92x = 330,464.20 × 62,538.48
  4. Step 4: Simplify right side
    220,309.92x = 20,666,728,762.42
  5. Step 5: Solve for x
    x = 20,666,728,762.42/220,309.92
  6. Step 6: Final answer
    x = 93,807.53

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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.