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Finding the Fourth Proportional to 71,644.94, 98,839.34 and 44,740.74

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Solution

The fourth proportional to 71,644.94, 98,839.34 and 44,740.74 is: 61,723.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,644.94 : 98,839.34 = 44,740.74 : x
  2. Step 2: Convert to fraction form
    71,644.94/98,839.34 = 44,740.74/x
  3. Step 3: Cross multiply
    71,644.94x = 98,839.34 × 44,740.74
  4. Step 4: Simplify right side
    71,644.94x = 4,422,144,989.01
  5. Step 5: Solve for x
    x = 4,422,144,989.01/71,644.94
  6. Step 6: Final answer
    x = 61,723.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.