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Finding the Fourth Proportional to 68,389.86, 94,428.01 and 44,205.14

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Solution

The fourth proportional to 68,389.86, 94,428.01 and 44,205.14 is: 61,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,389.86 : 94,428.01 = 44,205.14 : x
  2. Step 2: Convert to fraction form
    68,389.86/94,428.01 = 44,205.14/x
  3. Step 3: Cross multiply
    68,389.86x = 94,428.01 × 44,205.14
  4. Step 4: Simplify right side
    68,389.86x = 4,174,203,693.30
  5. Step 5: Solve for x
    x = 4,174,203,693.30/68,389.86
  6. Step 6: Final answer
    x = 61,035.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.