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Finding the Fourth Proportional to 162,813.20, 244,219.80 and 44,480.30

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Solution

The fourth proportional to 162,813.20, 244,219.80 and 44,480.30 is: 66,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,813.20 : 244,219.80 = 44,480.30 : x
  2. Step 2: Convert to fraction form
    162,813.20/244,219.80 = 44,480.30/x
  3. Step 3: Cross multiply
    162,813.20x = 244,219.80 × 44,480.30
  4. Step 4: Simplify right side
    162,813.20x = 10,862,969,969.94
  5. Step 5: Solve for x
    x = 10,862,969,969.94/162,813.20
  6. Step 6: Final answer
    x = 66,720.45

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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.