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Finding the Fourth Proportional to 74,576.43, 102,880.80 and 44,344.80

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Solution

The fourth proportional to 74,576.43, 102,880.80 and 44,344.80 is: 61,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,576.43 : 102,880.80 = 44,344.80 : x
  2. Step 2: Convert to fraction form
    74,576.43/102,880.80 = 44,344.80/x
  3. Step 3: Cross multiply
    74,576.43x = 102,880.80 × 44,344.80
  4. Step 4: Simplify right side
    74,576.43x = 4,562,228,499.84
  5. Step 5: Solve for x
    x = 4,562,228,499.84/74,576.43
  6. Step 6: Final answer
    x = 61,175.21

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1.5x scale

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.