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Finding the Fourth Proportional to 243,754.92, 365,678.15 and 110,644.53

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Solution

The fourth proportional to 243,754.92, 365,678.15 and 110,644.53 is: 165,987.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,754.92 : 365,678.15 = 110,644.53 : x
  2. Step 2: Convert to fraction form
    243,754.92/365,678.15 = 110,644.53/x
  3. Step 3: Cross multiply
    243,754.92x = 365,678.15 × 110,644.53
  4. Step 4: Simplify right side
    243,754.92x = 40,460,287,170.44
  5. Step 5: Solve for x
    x = 40,460,287,170.44/243,754.92
  6. Step 6: Final answer
    x = 165,987.57

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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.