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Finding the Fourth Proportional to 220,646.77, 330,982.46 and 62,862.93

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Solution

The fourth proportional to 220,646.77, 330,982.46 and 62,862.93 is: 94,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,646.77 : 330,982.46 = 62,862.93 : x
  2. Step 2: Convert to fraction form
    220,646.77/330,982.46 = 62,862.93/x
  3. Step 3: Cross multiply
    220,646.77x = 330,982.46 × 62,862.93
  4. Step 4: Simplify right side
    220,646.77x = 20,806,527,214.21
  5. Step 5: Solve for x
    x = 20,806,527,214.21/220,646.77
  6. Step 6: Final answer
    x = 94,297.90

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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.