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Finding the Fourth Proportional to 270,031.35, 404,269.43 and 165,055.35

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Solution

The fourth proportional to 270,031.35, 404,269.43 and 165,055.35 is: 247,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,031.35 : 404,269.43 = 165,055.35 : x
  2. Step 2: Convert to fraction form
    270,031.35/404,269.43 = 165,055.35/x
  3. Step 3: Cross multiply
    270,031.35x = 404,269.43 × 165,055.35
  4. Step 4: Simplify right side
    270,031.35x = 66,726,831,437.67
  5. Step 5: Solve for x
    x = 66,726,831,437.67/270,031.35
  6. Step 6: Final answer
    x = 247,107.72

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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.