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Finding the Fourth Proportional to 170,535.52, 255,803.10 and 45,876.52

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Solution

The fourth proportional to 170,535.52, 255,803.10 and 45,876.52 is: 68,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,535.52 : 255,803.10 = 45,876.52 : x
  2. Step 2: Convert to fraction form
    170,535.52/255,803.10 = 45,876.52/x
  3. Step 3: Cross multiply
    170,535.52x = 255,803.10 × 45,876.52
  4. Step 4: Simplify right side
    170,535.52x = 11,735,356,033.21
  5. Step 5: Solve for x
    x = 11,735,356,033.21/170,535.52
  6. Step 6: Final answer
    x = 68,814.73

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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.