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Finding the Fourth Proportional to 167,998.72, 251,988.48 and 43,345.92

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Solution

The fourth proportional to 167,998.72, 251,988.48 and 43,345.92 is: 65,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,998.72 : 251,988.48 = 43,345.92 : x
  2. Step 2: Convert to fraction form
    167,998.72/251,988.48 = 43,345.92/x
  3. Step 3: Cross multiply
    167,998.72x = 251,988.48 × 43,345.92
  4. Step 4: Simplify right side
    167,998.72x = 10,922,672,495.00
  5. Step 5: Solve for x
    x = 10,922,672,495.00/167,998.72
  6. Step 6: Final answer
    x = 65,016.40

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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.