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Finding the Fourth Proportional to 163,708.62, 225,899.55 and 92,087.07

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Solution

The fourth proportional to 163,708.62, 225,899.55 and 92,087.07 is: 127,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,708.62 : 225,899.55 = 92,087.07 : x
  2. Step 2: Convert to fraction form
    163,708.62/225,899.55 = 92,087.07/x
  3. Step 3: Cross multiply
    163,708.62x = 225,899.55 × 92,087.07
  4. Step 4: Simplify right side
    163,708.62x = 20,802,427,673.82
  5. Step 5: Solve for x
    x = 20,802,427,673.82/163,708.62
  6. Step 6: Final answer
    x = 127,069.84

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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.