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Finding the Fourth Proportional to 163,059.20, 244,588.80 and 112,320.80

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Solution

The fourth proportional to 163,059.20, 244,588.80 and 112,320.80 is: 168,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,059.20 : 244,588.80 = 112,320.80 : x
  2. Step 2: Convert to fraction form
    163,059.20/244,588.80 = 112,320.80/x
  3. Step 3: Cross multiply
    163,059.20x = 244,588.80 × 112,320.80
  4. Step 4: Simplify right side
    163,059.20x = 27,472,409,687.04
  5. Step 5: Solve for x
    x = 27,472,409,687.04/163,059.20
  6. Step 6: Final answer
    x = 168,481.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.