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Finding the Fourth Proportional to 168,948.20, 253,422.30 and 163,043.30

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Solution

The fourth proportional to 168,948.20, 253,422.30 and 163,043.30 is: 244,564.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,948.20 : 253,422.30 = 163,043.30 : x
  2. Step 2: Convert to fraction form
    168,948.20/253,422.30 = 163,043.30/x
  3. Step 3: Cross multiply
    168,948.20x = 253,422.30 × 163,043.30
  4. Step 4: Simplify right side
    168,948.20x = 41,318,808,085.59
  5. Step 5: Solve for x
    x = 41,318,808,085.59/168,948.20
  6. Step 6: Final answer
    x = 244,564.95

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1.5x scale

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.