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Finding the Fourth Proportional to 262,029.60, 393,217.20 and 95,817.60

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Solution

The fourth proportional to 262,029.60, 393,217.20 and 95,817.60 is: 143,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,029.60 : 393,217.20 = 95,817.60 : x
  2. Step 2: Convert to fraction form
    262,029.60/393,217.20 = 95,817.60/x
  3. Step 3: Cross multiply
    262,029.60x = 393,217.20 × 95,817.60
  4. Step 4: Simplify right side
    262,029.60x = 37,677,128,382.72
  5. Step 5: Solve for x
    x = 37,677,128,382.72/262,029.60
  6. Step 6: Final answer
    x = 143,789.59

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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.