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Finding the Fourth Proportional to 68,374.42, 102,485.10 and 44,727.52

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Solution

The fourth proportional to 68,374.42, 102,485.10 and 44,727.52 is: 67,041.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,374.42 : 102,485.10 = 44,727.52 : x
  2. Step 2: Convert to fraction form
    68,374.42/102,485.10 = 44,727.52/x
  3. Step 3: Cross multiply
    68,374.42x = 102,485.10 × 44,727.52
  4. Step 4: Simplify right side
    68,374.42x = 4,583,904,359.95
  5. Step 5: Solve for x
    x = 4,583,904,359.95/68,374.42
  6. Step 6: Final answer
    x = 67,041.22

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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.