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Finding the Fourth Proportional to 260,892.00, 391,332.41 and 71,352.36

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Solution

The fourth proportional to 260,892.00, 391,332.41 and 71,352.36 is: 107,027.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,892.00 : 391,332.41 = 71,352.36 : x
  2. Step 2: Convert to fraction form
    260,892.00/391,332.41 = 71,352.36/x
  3. Step 3: Cross multiply
    260,892.00x = 391,332.41 × 71,352.36
  4. Step 4: Simplify right side
    260,892.00x = 27,922,492,135.62
  5. Step 5: Solve for x
    x = 27,922,492,135.62/260,892.00
  6. Step 6: Final answer
    x = 107,027.01

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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.