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Finding the Fourth Proportional to 207,476.76, 286,321.64 and 122,593.64

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Solution

The fourth proportional to 207,476.76, 286,321.64 and 122,593.64 is: 169,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,476.76 : 286,321.64 = 122,593.64 : x
  2. Step 2: Convert to fraction form
    207,476.76/286,321.64 = 122,593.64/x
  3. Step 3: Cross multiply
    207,476.76x = 286,321.64 × 122,593.64
  4. Step 4: Simplify right side
    207,476.76x = 35,101,212,058.37
  5. Step 5: Solve for x
    x = 35,101,212,058.37/207,476.76
  6. Step 6: Final answer
    x = 169,181.42

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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.