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Finding the Fourth Proportional to 262,027.60, 361,578.20 and 147,287.99

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Solution

The fourth proportional to 262,027.60, 361,578.20 and 147,287.99 is: 203,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,027.60 : 361,578.20 = 147,287.99 : x
  2. Step 2: Convert to fraction form
    262,027.60/361,578.20 = 147,287.99/x
  3. Step 3: Cross multiply
    262,027.60x = 361,578.20 × 147,287.99
  4. Step 4: Simplify right side
    262,027.60x = 53,256,126,473.32
  5. Step 5: Solve for x
    x = 53,256,126,473.32/262,027.60
  6. Step 6: Final answer
    x = 203,246.25

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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.