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Finding the Fourth Proportional to 263,798.16, 395,693.79 and 64,117.97

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Solution

The fourth proportional to 263,798.16, 395,693.79 and 64,117.97 is: 96,176.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,798.16 : 395,693.79 = 64,117.97 : x
  2. Step 2: Convert to fraction form
    263,798.16/395,693.79 = 64,117.97/x
  3. Step 3: Cross multiply
    263,798.16x = 395,693.79 × 64,117.97
  4. Step 4: Simplify right side
    263,798.16x = 25,371,082,556.41
  5. Step 5: Solve for x
    x = 25,371,082,556.41/263,798.16
  6. Step 6: Final answer
    x = 96,176.12

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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.