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Finding the Fourth Proportional to 68,125.27, 102,827.77 and 68,125.27

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Solution

The fourth proportional to 68,125.27, 102,827.77 and 68,125.27 is: 102,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,125.27 : 102,827.77 = 68,125.27 : x
  2. Step 2: Convert to fraction form
    68,125.27/102,827.77 = 68,125.27/x
  3. Step 3: Cross multiply
    68,125.27x = 102,827.77 × 68,125.27
  4. Step 4: Simplify right side
    68,125.27x = 7,005,169,594.75
  5. Step 5: Solve for x
    x = 7,005,169,594.75/68,125.27
  6. Step 6: Final answer
    x = 102,827.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.