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Finding the Fourth Proportional to 163,679.36, 225,861.57 and 92,057.88

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Solution

The fourth proportional to 163,679.36, 225,861.57 and 92,057.88 is: 127,030.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,679.36 : 225,861.57 = 92,057.88 : x
  2. Step 2: Convert to fraction form
    163,679.36/225,861.57 = 92,057.88/x
  3. Step 3: Cross multiply
    163,679.36x = 225,861.57 × 92,057.88
  4. Step 4: Simplify right side
    163,679.36x = 20,792,337,307.67
  5. Step 5: Solve for x
    x = 20,792,337,307.67/163,679.36
  6. Step 6: Final answer
    x = 127,030.91

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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.