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Finding the Fourth Proportional to 268,552.40, 402,839.53 and 110,765.81

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Solution

The fourth proportional to 268,552.40, 402,839.53 and 110,765.81 is: 166,153.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,552.40 : 402,839.53 = 110,765.81 : x
  2. Step 2: Convert to fraction form
    268,552.40/402,839.53 = 110,765.81/x
  3. Step 3: Cross multiply
    268,552.40x = 402,839.53 × 110,765.81
  4. Step 4: Simplify right side
    268,552.40x = 44,620,847,570.65
  5. Step 5: Solve for x
    x = 44,620,847,570.65/268,552.40
  6. Step 6: Final answer
    x = 166,153.23

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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.