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Finding the Fourth Proportional to 325,706.67, 488,606.38 and 101,086.52

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Solution

The fourth proportional to 325,706.67, 488,606.38 and 101,086.52 is: 151,644.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,706.67 : 488,606.38 = 101,086.52 : x
  2. Step 2: Convert to fraction form
    325,706.67/488,606.38 = 101,086.52/x
  3. Step 3: Cross multiply
    325,706.67x = 488,606.38 × 101,086.52
  4. Step 4: Simplify right side
    325,706.67x = 49,391,515,908.25
  5. Step 5: Solve for x
    x = 49,391,515,908.25/325,706.67
  6. Step 6: Final answer
    x = 151,644.16

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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.