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Finding the Fourth Proportional to 167,054.70, 250,462.99 and 78,259.80

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Solution

The fourth proportional to 167,054.70, 250,462.99 and 78,259.80 is: 117,333.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,054.70 : 250,462.99 = 78,259.80 : x
  2. Step 2: Convert to fraction form
    167,054.70/250,462.99 = 78,259.80/x
  3. Step 3: Cross multiply
    167,054.70x = 250,462.99 × 78,259.80
  4. Step 4: Simplify right side
    167,054.70x = 19,601,183,504.80
  5. Step 5: Solve for x
    x = 19,601,183,504.80/167,054.70
  6. Step 6: Final answer
    x = 117,333.92

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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.