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Finding the Fourth Proportional to 167,291.12, 251,001.96 and 73,730.96

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Solution

The fourth proportional to 167,291.12, 251,001.96 and 73,730.96 is: 110,625.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,291.12 : 251,001.96 = 73,730.96 : x
  2. Step 2: Convert to fraction form
    167,291.12/251,001.96 = 73,730.96/x
  3. Step 3: Cross multiply
    167,291.12x = 251,001.96 × 73,730.96
  4. Step 4: Simplify right side
    167,291.12x = 18,506,615,472.68
  5. Step 5: Solve for x
    x = 18,506,615,472.68/167,291.12
  6. Step 6: Final answer
    x = 110,625.21

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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.