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Finding the Fourth Proportional to 95,914, 143,929.32 and 40,510

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Solution

The fourth proportional to 95,914, 143,929.32 and 40,510 is: 60,789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,914 : 143,929.32 = 40,510 : x
  2. Step 2: Convert to fraction form
    95,914/143,929.32 = 40,510/x
  3. Step 3: Cross multiply
    95,914x = 143,929.32 × 40,510
  4. Step 4: Simplify right side
    95,914x = 5,830,576,753.20
  5. Step 5: Solve for x
    x = 5,830,576,753.20/95,914
  6. Step 6: Final answer
    x = 60,789.63

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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.