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Finding the Fourth Proportional to 308,859.87, 463,181.25 and 92,654.13

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Solution

The fourth proportional to 308,859.87, 463,181.25 and 92,654.13 is: 138,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,859.87 : 463,181.25 = 92,654.13 : x
  2. Step 2: Convert to fraction form
    308,859.87/463,181.25 = 92,654.13/x
  3. Step 3: Cross multiply
    308,859.87x = 463,181.25 × 92,654.13
  4. Step 4: Simplify right side
    308,859.87x = 42,915,655,751.06
  5. Step 5: Solve for x
    x = 42,915,655,751.06/308,859.87
  6. Step 6: Final answer
    x = 138,948.63

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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.