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Finding the Fourth Proportional to 361,864.97, 542,820.69 and 95,618.68

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Solution

The fourth proportional to 361,864.97, 542,820.69 and 95,618.68 is: 143,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,864.97 : 542,820.69 = 95,618.68 : x
  2. Step 2: Convert to fraction form
    361,864.97/542,820.69 = 95,618.68/x
  3. Step 3: Cross multiply
    361,864.97x = 542,820.69 × 95,618.68
  4. Step 4: Simplify right side
    361,864.97x = 51,903,796,497.44
  5. Step 5: Solve for x
    x = 51,903,796,497.44/361,864.97
  6. Step 6: Final answer
    x = 143,434.16

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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.