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Finding the Fourth Proportional to 95,243.76, 142,822.37 and 45,384.12

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Solution

The fourth proportional to 95,243.76, 142,822.37 and 45,384.12 is: 68,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,243.76 : 142,822.37 = 45,384.12 : x
  2. Step 2: Convert to fraction form
    95,243.76/142,822.37 = 45,384.12/x
  3. Step 3: Cross multiply
    95,243.76x = 142,822.37 × 45,384.12
  4. Step 4: Simplify right side
    95,243.76x = 6,481,867,692.22
  5. Step 5: Solve for x
    x = 6,481,867,692.22/95,243.76
  6. Step 6: Final answer
    x = 68,055.56

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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.