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Finding the Fourth Proportional to 206,837.28, 310,168.08 and 73,751.04

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Solution

The fourth proportional to 206,837.28, 310,168.08 and 73,751.04 is: 110,595.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,837.28 : 310,168.08 = 73,751.04 : x
  2. Step 2: Convert to fraction form
    206,837.28/310,168.08 = 73,751.04/x
  3. Step 3: Cross multiply
    206,837.28x = 310,168.08 × 73,751.04
  4. Step 4: Simplify right side
    206,837.28x = 22,875,218,474.80
  5. Step 5: Solve for x
    x = 22,875,218,474.80/206,837.28
  6. Step 6: Final answer
    x = 110,595.24

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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.