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Finding the Fourth Proportional to 95,477.38, 142,997.90 and 45,592.42

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Solution

The fourth proportional to 95,477.38, 142,997.90 and 45,592.42 is: 68,284.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,477.38 : 142,997.90 = 45,592.42 : x
  2. Step 2: Convert to fraction form
    95,477.38/142,997.90 = 45,592.42/x
  3. Step 3: Cross multiply
    95,477.38x = 142,997.90 × 45,592.42
  4. Step 4: Simplify right side
    95,477.38x = 6,519,619,718.80
  5. Step 5: Solve for x
    x = 6,519,619,718.80/95,477.38
  6. Step 6: Final answer
    x = 68,284.44

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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.