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Finding the Fourth Proportional to 262,025.60, 393,089.60 and 104,227.20

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Solution

The fourth proportional to 262,025.60, 393,089.60 and 104,227.20 is: 156,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,025.60 : 393,089.60 = 104,227.20 : x
  2. Step 2: Convert to fraction form
    262,025.60/393,089.60 = 104,227.20/x
  3. Step 3: Cross multiply
    262,025.60x = 393,089.60 × 104,227.20
  4. Step 4: Simplify right side
    262,025.60x = 40,970,628,357.12
  5. Step 5: Solve for x
    x = 40,970,628,357.12/262,025.60
  6. Step 6: Final answer
    x = 156,361.17

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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.