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Finding the Fourth Proportional to 207,078.88, 285,593.16 and 174,971.04

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Solution

The fourth proportional to 207,078.88, 285,593.16 and 174,971.04 is: 241,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,078.88 : 285,593.16 = 174,971.04 : x
  2. Step 2: Convert to fraction form
    207,078.88/285,593.16 = 174,971.04/x
  3. Step 3: Cross multiply
    207,078.88x = 285,593.16 × 174,971.04
  4. Step 4: Simplify right side
    207,078.88x = 49,970,532,222.09
  5. Step 5: Solve for x
    x = 49,970,532,222.09/207,078.88
  6. Step 6: Final answer
    x = 241,311.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.