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Finding the Fourth Proportional to 167,715.90, 251,573.85 and 167,715.90

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Solution

The fourth proportional to 167,715.90, 251,573.85 and 167,715.90 is: 251,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,715.90 : 251,573.85 = 167,715.90 : x
  2. Step 2: Convert to fraction form
    167,715.90/251,573.85 = 167,715.90/x
  3. Step 3: Cross multiply
    167,715.90x = 251,573.85 × 167,715.90
  4. Step 4: Simplify right side
    167,715.90x = 42,192,934,669.22
  5. Step 5: Solve for x
    x = 42,192,934,669.22/167,715.90
  6. Step 6: Final answer
    x = 251,573.85

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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.