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Finding the Fourth Proportional to 170,677.53, 255,859.56 and 65,475.54

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Solution

The fourth proportional to 170,677.53, 255,859.56 and 65,475.54 is: 98,153.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,677.53 : 255,859.56 = 65,475.54 : x
  2. Step 2: Convert to fraction form
    170,677.53/255,859.56 = 65,475.54/x
  3. Step 3: Cross multiply
    170,677.53x = 255,859.56 × 65,475.54
  4. Step 4: Simplify right side
    170,677.53x = 16,752,542,855.16
  5. Step 5: Solve for x
    x = 16,752,542,855.16/170,677.53
  6. Step 6: Final answer
    x = 98,153.18

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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.