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Finding the Fourth Proportional to 71,470.98, 98,597.61 and 44,620.11

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Solution

The fourth proportional to 71,470.98, 98,597.61 and 44,620.11 is: 61,555.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,470.98 : 98,597.61 = 44,620.11 : x
  2. Step 2: Convert to fraction form
    71,470.98/98,597.61 = 44,620.11/x
  3. Step 3: Cross multiply
    71,470.98x = 98,597.61 × 44,620.11
  4. Step 4: Simplify right side
    71,470.98x = 4,399,436,203.94
  5. Step 5: Solve for x
    x = 4,399,436,203.94/71,470.98
  6. Step 6: Final answer
    x = 61,555.56

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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.