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Finding the Fourth Proportional to 263,776.14, 395,664.72 and 64,096.71

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Solution

The fourth proportional to 263,776.14, 395,664.72 and 64,096.71 is: 96,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,776.14 : 395,664.72 = 64,096.71 : x
  2. Step 2: Convert to fraction form
    263,776.14/395,664.72 = 64,096.71/x
  3. Step 3: Cross multiply
    263,776.14x = 395,664.72 × 64,096.71
  4. Step 4: Simplify right side
    263,776.14x = 25,360,806,815.07
  5. Step 5: Solve for x
    x = 25,360,806,815.07/263,776.14
  6. Step 6: Final answer
    x = 96,145.19

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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.