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Finding the Fourth Proportional to 80,644.95, 111,296.76 and 44,838.30

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Solution

The fourth proportional to 80,644.95, 111,296.76 and 44,838.30 is: 61,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,644.95 : 111,296.76 = 44,838.30 : x
  2. Step 2: Convert to fraction form
    80,644.95/111,296.76 = 44,838.30/x
  3. Step 3: Cross multiply
    80,644.95x = 111,296.76 × 44,838.30
  4. Step 4: Simplify right side
    80,644.95x = 4,990,357,513.91
  5. Step 5: Solve for x
    x = 4,990,357,513.91/80,644.95
  6. Step 6: Final answer
    x = 61,880.60

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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.