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Finding the Fourth Proportional to 94,996.68, 142,544.24 and 68,916.71

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Solution

The fourth proportional to 94,996.68, 142,544.24 and 68,916.71 is: 103,410.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,996.68 : 142,544.24 = 68,916.71 : x
  2. Step 2: Convert to fraction form
    94,996.68/142,544.24 = 68,916.71/x
  3. Step 3: Cross multiply
    94,996.68x = 142,544.24 × 68,916.71
  4. Step 4: Simplify right side
    94,996.68x = 9,823,678,992.95
  5. Step 5: Solve for x
    x = 9,823,678,992.95/94,996.68
  6. Step 6: Final answer
    x = 103,410.76

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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.