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Finding the Fourth Proportional to 163,025.70, 244,538.55 and 147,279.30

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Solution

The fourth proportional to 163,025.70, 244,538.55 and 147,279.30 is: 220,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,025.70 : 244,538.55 = 147,279.30 : x
  2. Step 2: Convert to fraction form
    163,025.70/244,538.55 = 147,279.30/x
  3. Step 3: Cross multiply
    163,025.70x = 244,538.55 × 147,279.30
  4. Step 4: Simplify right side
    163,025.70x = 36,015,466,467.02
  5. Step 5: Solve for x
    x = 36,015,466,467.02/163,025.70
  6. Step 6: Final answer
    x = 220,918.95

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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.