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Finding the Fourth Proportional to 165,321.80, 248,000.03 and 70,562.06

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Solution

The fourth proportional to 165,321.80, 248,000.03 and 70,562.06 is: 105,850.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,321.80 : 248,000.03 = 70,562.06 : x
  2. Step 2: Convert to fraction form
    165,321.80/248,000.03 = 70,562.06/x
  3. Step 3: Cross multiply
    165,321.80x = 248,000.03 × 70,562.06
  4. Step 4: Simplify right side
    165,321.80x = 17,499,391,404.05
  5. Step 5: Solve for x
    x = 17,499,391,404.05/165,321.80
  6. Step 6: Final answer
    x = 105,850.48

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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.