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Finding the Fourth Proportional to 175,073.60, 262,610.40 and 165,857.60

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Solution

The fourth proportional to 175,073.60, 262,610.40 and 165,857.60 is: 248,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,073.60 : 262,610.40 = 165,857.60 : x
  2. Step 2: Convert to fraction form
    175,073.60/262,610.40 = 165,857.60/x
  3. Step 3: Cross multiply
    175,073.60x = 262,610.40 × 165,857.60
  4. Step 4: Simplify right side
    175,073.60x = 43,555,930,679.04
  5. Step 5: Solve for x
    x = 43,555,930,679.04/175,073.60
  6. Step 6: Final answer
    x = 248,786.40

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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.