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Finding the Fourth Proportional to 170,464.78, 255,734.04 and 65,283.76

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Solution

The fourth proportional to 170,464.78, 255,734.04 and 65,283.76 is: 97,939.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,464.78 : 255,734.04 = 65,283.76 : x
  2. Step 2: Convert to fraction form
    170,464.78/255,734.04 = 65,283.76/x
  3. Step 3: Cross multiply
    170,464.78x = 255,734.04 × 65,283.76
  4. Step 4: Simplify right side
    170,464.78x = 16,695,279,691.19
  5. Step 5: Solve for x
    x = 16,695,279,691.19/170,464.78
  6. Step 6: Final answer
    x = 97,939.76

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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.