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Finding the Fourth Proportional to 163,322.44, 225,404.91 and 102,892.07

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Solution

The fourth proportional to 163,322.44, 225,404.91 and 102,892.07 is: 142,003.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,322.44 : 225,404.91 = 102,892.07 : x
  2. Step 2: Convert to fraction form
    163,322.44/225,404.91 = 102,892.07/x
  3. Step 3: Cross multiply
    163,322.44x = 225,404.91 × 102,892.07
  4. Step 4: Simplify right side
    163,322.44x = 23,192,378,341.58
  5. Step 5: Solve for x
    x = 23,192,378,341.58/163,322.44
  6. Step 6: Final answer
    x = 142,003.63

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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.