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Finding the Fourth Proportional to 169,515.48, 254,285.38 and 44,855

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Solution

The fourth proportional to 169,515.48, 254,285.38 and 44,855 is: 67,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,515.48 : 254,285.38 = 44,855 : x
  2. Step 2: Convert to fraction form
    169,515.48/254,285.38 = 44,855/x
  3. Step 3: Cross multiply
    169,515.48x = 254,285.38 × 44,855
  4. Step 4: Simplify right side
    169,515.48x = 11,405,970,719.90
  5. Step 5: Solve for x
    x = 11,405,970,719.90/169,515.48
  6. Step 6: Final answer
    x = 67,285.72

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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.