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Finding the Fourth Proportional to 248,159.28, 372,057.44 and 79,583.66

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Solution

The fourth proportional to 248,159.28, 372,057.44 and 79,583.66 is: 119,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,159.28 : 372,057.44 = 79,583.66 : x
  2. Step 2: Convert to fraction form
    248,159.28/372,057.44 = 79,583.66/x
  3. Step 3: Cross multiply
    248,159.28x = 372,057.44 × 79,583.66
  4. Step 4: Simplify right side
    248,159.28x = 29,609,691,144.10
  5. Step 5: Solve for x
    x = 29,609,691,144.10/248,159.28
  6. Step 6: Final answer
    x = 119,317.28

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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.