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Finding the Fourth Proportional to 206,727.39, 310,312.52 and 162,662.07

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Solution

The fourth proportional to 206,727.39, 310,312.52 and 162,662.07 is: 244,167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,727.39 : 310,312.52 = 162,662.07 : x
  2. Step 2: Convert to fraction form
    206,727.39/310,312.52 = 162,662.07/x
  3. Step 3: Cross multiply
    206,727.39x = 310,312.52 × 162,662.07
  4. Step 4: Simplify right side
    206,727.39x = 50,476,077,810.46
  5. Step 5: Solve for x
    x = 50,476,077,810.46/206,727.39
  6. Step 6: Final answer
    x = 244,167.34

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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.