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Finding the Fourth Proportional to 243,795.51, 365,728.24 and 75,330.54

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Solution

The fourth proportional to 243,795.51, 365,728.24 and 75,330.54 is: 113,006.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,795.51 : 365,728.24 = 75,330.54 : x
  2. Step 2: Convert to fraction form
    243,795.51/365,728.24 = 75,330.54/x
  3. Step 3: Cross multiply
    243,795.51x = 365,728.24 × 75,330.54
  4. Step 4: Simplify right side
    243,795.51x = 27,550,505,906.61
  5. Step 5: Solve for x
    x = 27,550,505,906.61/243,795.51
  6. Step 6: Final answer
    x = 113,006.62

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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.