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Finding the Fourth Proportional to 162,020.20, 223,498.02 and 94,939.24

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Solution

The fourth proportional to 162,020.20, 223,498.02 and 94,939.24 is: 130,963.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,020.20 : 223,498.02 = 94,939.24 : x
  2. Step 2: Convert to fraction form
    162,020.20/223,498.02 = 94,939.24/x
  3. Step 3: Cross multiply
    162,020.20x = 223,498.02 × 94,939.24
  4. Step 4: Simplify right side
    162,020.20x = 21,218,732,160.30
  5. Step 5: Solve for x
    x = 21,218,732,160.30/162,020.20
  6. Step 6: Final answer
    x = 130,963.50

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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.