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Finding the Fourth Proportional to 82,490.55, 113,837.03 and 44,764.80

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Solution

The fourth proportional to 82,490.55, 113,837.03 and 44,764.80 is: 61,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,490.55 : 113,837.03 = 44,764.80 : x
  2. Step 2: Convert to fraction form
    82,490.55/113,837.03 = 44,764.80/x
  3. Step 3: Cross multiply
    82,490.55x = 113,837.03 × 44,764.80
  4. Step 4: Simplify right side
    82,490.55x = 5,095,891,880.54
  5. Step 5: Solve for x
    x = 5,095,891,880.54/82,490.55
  6. Step 6: Final answer
    x = 61,775.46

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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.