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Finding the Fourth Proportional to 167,430.70, 251,146.05 and 108,333.10

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Solution

The fourth proportional to 167,430.70, 251,146.05 and 108,333.10 is: 162,499.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,430.70 : 251,146.05 = 108,333.10 : x
  2. Step 2: Convert to fraction form
    167,430.70/251,146.05 = 108,333.10/x
  3. Step 3: Cross multiply
    167,430.70x = 251,146.05 × 108,333.10
  4. Step 4: Simplify right side
    167,430.70x = 27,207,430,149.26
  5. Step 5: Solve for x
    x = 27,207,430,149.26/167,430.70
  6. Step 6: Final answer
    x = 162,499.65

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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.