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Finding the Fourth Proportional to 179,772.40, 269,658.60 and 168,691.60

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Solution

The fourth proportional to 179,772.40, 269,658.60 and 168,691.60 is: 253,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,772.40 : 269,658.60 = 168,691.60 : x
  2. Step 2: Convert to fraction form
    179,772.40/269,658.60 = 168,691.60/x
  3. Step 3: Cross multiply
    179,772.40x = 269,658.60 × 168,691.60
  4. Step 4: Simplify right side
    179,772.40x = 45,489,140,687.76
  5. Step 5: Solve for x
    x = 45,489,140,687.76/179,772.40
  6. Step 6: Final answer
    x = 253,037.40

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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.