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Finding the Fourth Proportional to 167,710.40, 251,565.64 and 114,959.96

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Solution

The fourth proportional to 167,710.40, 251,565.64 and 114,959.96 is: 172,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,710.40 : 251,565.64 = 114,959.96 : x
  2. Step 2: Convert to fraction form
    167,710.40/251,565.64 = 114,959.96/x
  3. Step 3: Cross multiply
    167,710.40x = 251,565.64 × 114,959.96
  4. Step 4: Simplify right side
    167,710.40x = 28,919,975,911.77
  5. Step 5: Solve for x
    x = 28,919,975,911.77/167,710.40
  6. Step 6: Final answer
    x = 172,439.97

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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.