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Finding the Fourth Proportional to 170,390.52, 255,610.46 and 52,046.68

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Solution

The fourth proportional to 170,390.52, 255,610.46 and 52,046.68 is: 78,077.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,390.52 : 255,610.46 = 52,046.68 : x
  2. Step 2: Convert to fraction form
    170,390.52/255,610.46 = 52,046.68/x
  3. Step 3: Cross multiply
    170,390.52x = 255,610.46 × 52,046.68
  4. Step 4: Simplify right side
    170,390.52x = 13,303,675,816.27
  5. Step 5: Solve for x
    x = 13,303,675,816.27/170,390.52
  6. Step 6: Final answer
    x = 78,077.56

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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.