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Finding the Fourth Proportional to 175,298.92, 262,858.34 and 80,447.46

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Solution

The fourth proportional to 175,298.92, 262,858.34 and 80,447.46 is: 120,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,298.92 : 262,858.34 = 80,447.46 : x
  2. Step 2: Convert to fraction form
    175,298.92/262,858.34 = 80,447.46/x
  3. Step 3: Cross multiply
    175,298.92x = 262,858.34 × 80,447.46
  4. Step 4: Simplify right side
    175,298.92x = 21,146,285,792.82
  5. Step 5: Solve for x
    x = 21,146,285,792.82/175,298.92
  6. Step 6: Final answer
    x = 120,629.87

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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.