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Finding the Fourth Proportional to 170,398.08, 255,690.47 and 63,855.54

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Solution

The fourth proportional to 170,398.08, 255,690.47 and 63,855.54 is: 95,818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,398.08 : 255,690.47 = 63,855.54 : x
  2. Step 2: Convert to fraction form
    170,398.08/255,690.47 = 63,855.54/x
  3. Step 3: Cross multiply
    170,398.08x = 255,690.47 × 63,855.54
  4. Step 4: Simplify right side
    170,398.08x = 16,327,253,194.34
  5. Step 5: Solve for x
    x = 16,327,253,194.34/170,398.08
  6. Step 6: Final answer
    x = 95,818.29

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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.