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Finding the Fourth Proportional to 162,304.44, 223,963.02 and 90,687.48

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Solution

The fourth proportional to 162,304.44, 223,963.02 and 90,687.48 is: 125,139.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,304.44 : 223,963.02 = 90,687.48 : x
  2. Step 2: Convert to fraction form
    162,304.44/223,963.02 = 90,687.48/x
  3. Step 3: Cross multiply
    162,304.44x = 223,963.02 × 90,687.48
  4. Step 4: Simplify right side
    162,304.44x = 20,310,641,896.99
  5. Step 5: Solve for x
    x = 20,310,641,896.99/162,304.44
  6. Step 6: Final answer
    x = 125,139.16

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1.5x scale

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.