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Finding the Fourth Proportional to 80,696.34, 111,359.31 and 44,885.58

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Solution

The fourth proportional to 80,696.34, 111,359.31 and 44,885.58 is: 61,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,696.34 : 111,359.31 = 44,885.58 : x
  2. Step 2: Convert to fraction form
    80,696.34/111,359.31 = 44,885.58/x
  3. Step 3: Cross multiply
    80,696.34x = 111,359.31 × 44,885.58
  4. Step 4: Simplify right side
    80,696.34x = 4,998,427,217.75
  5. Step 5: Solve for x
    x = 4,998,427,217.75/80,696.34
  6. Step 6: Final answer
    x = 61,941.19

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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.