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Finding the Fourth Proportional to 45,550.40, 68,210.40 and 36,334.40

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Solution

The fourth proportional to 45,550.40, 68,210.40 and 36,334.40 is: 54,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,550.40 : 68,210.40 = 36,334.40 : x
  2. Step 2: Convert to fraction form
    45,550.40/68,210.40 = 36,334.40/x
  3. Step 3: Cross multiply
    45,550.40x = 68,210.40 × 36,334.40
  4. Step 4: Simplify right side
    45,550.40x = 2,478,383,957.76
  5. Step 5: Solve for x
    x = 2,478,383,957.76/45,550.40
  6. Step 6: Final answer
    x = 54,409.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.