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Finding the Fourth Proportional to 71,630.87, 98,851.19 and 44,788.94

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Solution

The fourth proportional to 71,630.87, 98,851.19 and 44,788.94 is: 61,809.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,630.87 : 98,851.19 = 44,788.94 : x
  2. Step 2: Convert to fraction form
    71,630.87/98,851.19 = 44,788.94/x
  3. Step 3: Cross multiply
    71,630.87x = 98,851.19 × 44,788.94
  4. Step 4: Simplify right side
    71,630.87x = 4,427,439,299.64
  5. Step 5: Solve for x
    x = 4,427,439,299.64/71,630.87
  6. Step 6: Final answer
    x = 61,809.09

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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.