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Finding the Fourth Proportional to 263,769.39, 395,654.55 and 64,089.93

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Solution

The fourth proportional to 263,769.39, 395,654.55 and 64,089.93 is: 96,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,769.39 : 395,654.55 = 64,089.93 : x
  2. Step 2: Convert to fraction form
    263,769.39/395,654.55 = 64,089.93/x
  3. Step 3: Cross multiply
    263,769.39x = 395,654.55 × 64,089.93
  4. Step 4: Simplify right side
    263,769.39x = 25,357,472,413.68
  5. Step 5: Solve for x
    x = 25,357,472,413.68/263,769.39
  6. Step 6: Final answer
    x = 96,135.01

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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.