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Finding the Fourth Proportional to 293,009.92, 404,352 and 158,871.04

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Solution

The fourth proportional to 293,009.92, 404,352 and 158,871.04 is: 219,241.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,009.92 : 404,352 = 158,871.04 : x
  2. Step 2: Convert to fraction form
    293,009.92/404,352 = 158,871.04/x
  3. Step 3: Cross multiply
    293,009.92x = 404,352 × 158,871.04
  4. Step 4: Simplify right side
    293,009.92x = 64,239,822,766.08
  5. Step 5: Solve for x
    x = 64,239,822,766.08/293,009.92
  6. Step 6: Final answer
    x = 219,241.12

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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.