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Finding the Fourth Proportional to 220,651.48, 330,988.16 and 62,903.17

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Solution

The fourth proportional to 220,651.48, 330,988.16 and 62,903.17 is: 94,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,651.48 : 330,988.16 = 62,903.17 : x
  2. Step 2: Convert to fraction form
    220,651.48/330,988.16 = 62,903.17/x
  3. Step 3: Cross multiply
    220,651.48x = 330,988.16 × 62,903.17
  4. Step 4: Simplify right side
    220,651.48x = 20,820,204,496.47
  5. Step 5: Solve for x
    x = 20,820,204,496.47/220,651.48
  6. Step 6: Final answer
    x = 94,357.87

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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.