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Finding the Fourth Proportional to 68,388.51, 102,506.09 and 44,741.51

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Solution

The fourth proportional to 68,388.51, 102,506.09 and 44,741.51 is: 67,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,388.51 : 102,506.09 = 44,741.51 : x
  2. Step 2: Convert to fraction form
    68,388.51/102,506.09 = 44,741.51/x
  3. Step 3: Cross multiply
    68,388.51x = 102,506.09 × 44,741.51
  4. Step 4: Simplify right side
    68,388.51x = 4,586,276,514.56
  5. Step 5: Solve for x
    x = 4,586,276,514.56/68,388.51
  6. Step 6: Final answer
    x = 67,062.09

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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.