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Finding the Fourth Proportional to 262,031.60, 393,220.20 and 95,819.60

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Solution

The fourth proportional to 262,031.60, 393,220.20 and 95,819.60 is: 143,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,031.60 : 393,220.20 = 95,819.60 : x
  2. Step 2: Convert to fraction form
    262,031.60/393,220.20 = 95,819.60/x
  3. Step 3: Cross multiply
    262,031.60x = 393,220.20 × 95,819.60
  4. Step 4: Simplify right side
    262,031.60x = 37,678,202,275.92
  5. Step 5: Solve for x
    x = 37,678,202,275.92/262,031.60
  6. Step 6: Final answer
    x = 143,792.59

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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.