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Finding the Fourth Proportional to 243,687.48, 365,345.94 and 168,608.04

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Solution

The fourth proportional to 243,687.48, 365,345.94 and 168,608.04 is: 252,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,687.48 : 365,345.94 = 168,608.04 : x
  2. Step 2: Convert to fraction form
    243,687.48/365,345.94 = 168,608.04/x
  3. Step 3: Cross multiply
    243,687.48x = 365,345.94 × 168,608.04
  4. Step 4: Simplify right side
    243,687.48x = 61,600,262,865.36
  5. Step 5: Solve for x
    x = 61,600,262,865.36/243,687.48
  6. Step 6: Final answer
    x = 252,783.86

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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.