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Finding the Fourth Proportional to 68,370.01, 102,542.02 and 28,954.79

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Solution

The fourth proportional to 68,370.01, 102,542.02 and 28,954.79 is: 43,426.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,370.01 : 102,542.02 = 28,954.79 : x
  2. Step 2: Convert to fraction form
    68,370.01/102,542.02 = 28,954.79/x
  3. Step 3: Cross multiply
    68,370.01x = 102,542.02 × 28,954.79
  4. Step 4: Simplify right side
    68,370.01x = 2,969,082,655.28
  5. Step 5: Solve for x
    x = 2,969,082,655.28/68,370.01
  6. Step 6: Final answer
    x = 43,426.68

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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.