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Finding the Fourth Proportional to 394,767.16, 592,145.24 and 95,245.23

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Solution

The fourth proportional to 394,767.16, 592,145.24 and 95,245.23 is: 142,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,767.16 : 592,145.24 = 95,245.23 : x
  2. Step 2: Convert to fraction form
    394,767.16/592,145.24 = 95,245.23/x
  3. Step 3: Cross multiply
    394,767.16x = 592,145.24 × 95,245.23
  4. Step 4: Simplify right side
    394,767.16x = 56,399,006,616.48
  5. Step 5: Solve for x
    x = 56,399,006,616.48/394,767.16
  6. Step 6: Final answer
    x = 142,866.51

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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.