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Finding the Fourth Proportional to 177,679.80, 245,174.44 and 114,103.72

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Solution

The fourth proportional to 177,679.80, 245,174.44 and 114,103.72 is: 157,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,679.80 : 245,174.44 = 114,103.72 : x
  2. Step 2: Convert to fraction form
    177,679.80/245,174.44 = 114,103.72/x
  3. Step 3: Cross multiply
    177,679.80x = 245,174.44 × 114,103.72
  4. Step 4: Simplify right side
    177,679.80x = 27,975,315,652.92
  5. Step 5: Solve for x
    x = 27,975,315,652.92/177,679.80
  6. Step 6: Final answer
    x = 157,447.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.