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Finding the Fourth Proportional to 262,099.60, 361,775.24 and 170,216.40

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Solution

The fourth proportional to 262,099.60, 361,775.24 and 170,216.40 is: 234,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,099.60 : 361,775.24 = 170,216.40 : x
  2. Step 2: Convert to fraction form
    262,099.60/361,775.24 = 170,216.40/x
  3. Step 3: Cross multiply
    262,099.60x = 361,775.24 × 170,216.40
  4. Step 4: Simplify right side
    262,099.60x = 61,580,078,961.94
  5. Step 5: Solve for x
    x = 61,580,078,961.94/262,099.60
  6. Step 6: Final answer
    x = 234,949.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.