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Finding the Fourth Proportional to 68,047.01, 102,091.27 and 34,790.43

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Solution

The fourth proportional to 68,047.01, 102,091.27 and 34,790.43 is: 52,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,047.01 : 102,091.27 = 34,790.43 : x
  2. Step 2: Convert to fraction form
    68,047.01/102,091.27 = 34,790.43/x
  3. Step 3: Cross multiply
    68,047.01x = 102,091.27 × 34,790.43
  4. Step 4: Simplify right side
    68,047.01x = 3,551,799,095.57
  5. Step 5: Solve for x
    x = 3,551,799,095.57/68,047.01
  6. Step 6: Final answer
    x = 52,196.25

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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.