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Finding the Fourth Proportional to 68,575.52, 102,695.52 and 61,927.04

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Solution

The fourth proportional to 68,575.52, 102,695.52 and 61,927.04 is: 92,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,575.52 : 102,695.52 = 61,927.04 : x
  2. Step 2: Convert to fraction form
    68,575.52/102,695.52 = 61,927.04/x
  3. Step 3: Cross multiply
    68,575.52x = 102,695.52 × 61,927.04
  4. Step 4: Simplify right side
    68,575.52x = 6,359,629,574.86
  5. Step 5: Solve for x
    x = 6,359,629,574.86/68,575.52
  6. Step 6: Final answer
    x = 92,739.06

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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.