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Finding the Fourth Proportional to 163,897.48, 226,179.30 and 92,287

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Solution

The fourth proportional to 163,897.48, 226,179.30 and 92,287 is: 127,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,897.48 : 226,179.30 = 92,287 : x
  2. Step 2: Convert to fraction form
    163,897.48/226,179.30 = 92,287/x
  3. Step 3: Cross multiply
    163,897.48x = 226,179.30 × 92,287
  4. Step 4: Simplify right side
    163,897.48x = 20,873,409,059.10
  5. Step 5: Solve for x
    x = 20,873,409,059.10/163,897.48
  6. Step 6: Final answer
    x = 127,356.50

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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.