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Finding the Fourth Proportional to 167,215.01, 250,848.61 and 54,869.66

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Solution

The fourth proportional to 167,215.01, 250,848.61 and 54,869.66 is: 82,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,215.01 : 250,848.61 = 54,869.66 : x
  2. Step 2: Convert to fraction form
    167,215.01/250,848.61 = 54,869.66/x
  3. Step 3: Cross multiply
    167,215.01x = 250,848.61 × 54,869.66
  4. Step 4: Simplify right side
    167,215.01x = 13,763,977,177.88
  5. Step 5: Solve for x
    x = 13,763,977,177.88/167,215.01
  6. Step 6: Final answer
    x = 82,313.05

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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.