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Finding the Fourth Proportional to 231,068.70, 345,835.05 and 167,708.70

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Solution

The fourth proportional to 231,068.70, 345,835.05 and 167,708.70 is: 251,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,068.70 : 345,835.05 = 167,708.70 : x
  2. Step 2: Convert to fraction form
    231,068.70/345,835.05 = 167,708.70/x
  3. Step 3: Cross multiply
    231,068.70x = 345,835.05 × 167,708.70
  4. Step 4: Simplify right side
    231,068.70x = 57,999,546,649.94
  5. Step 5: Solve for x
    x = 57,999,546,649.94/231,068.70
  6. Step 6: Final answer
    x = 251,005.64

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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.