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Finding the Fourth Proportional to 157,693.80, 236,610.90 and 82,795.80

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Solution

The fourth proportional to 157,693.80, 236,610.90 and 82,795.80 is: 124,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,693.80 : 236,610.90 = 82,795.80 : x
  2. Step 2: Convert to fraction form
    157,693.80/236,610.90 = 82,795.80/x
  3. Step 3: Cross multiply
    157,693.80x = 236,610.90 × 82,795.80
  4. Step 4: Simplify right side
    157,693.80x = 19,590,388,754.22
  5. Step 5: Solve for x
    x = 19,590,388,754.22/157,693.80
  6. Step 6: Final answer
    x = 124,230.56

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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.