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Finding the Fourth Proportional to 268,610.40, 403,061.40 and 110,854.80

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Solution

The fourth proportional to 268,610.40, 403,061.40 and 110,854.80 is: 166,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,610.40 : 403,061.40 = 110,854.80 : x
  2. Step 2: Convert to fraction form
    268,610.40/403,061.40 = 110,854.80/x
  3. Step 3: Cross multiply
    268,610.40x = 403,061.40 × 110,854.80
  4. Step 4: Simplify right side
    268,610.40x = 44,681,290,884.72
  5. Step 5: Solve for x
    x = 44,681,290,884.72/268,610.40
  6. Step 6: Final answer
    x = 166,342.37

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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.