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Finding the Fourth Proportional to 263,931.54, 395,813.69 and 95,429.56

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Solution

The fourth proportional to 263,931.54, 395,813.69 and 95,429.56 is: 143,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,931.54 : 395,813.69 = 95,429.56 : x
  2. Step 2: Convert to fraction form
    263,931.54/395,813.69 = 95,429.56/x
  3. Step 3: Cross multiply
    263,931.54x = 395,813.69 × 95,429.56
  4. Step 4: Simplify right side
    263,931.54x = 37,772,326,278.68
  5. Step 5: Solve for x
    x = 37,772,326,278.68/263,931.54
  6. Step 6: Final answer
    x = 143,114.11

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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.