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Finding the Fourth Proportional to 74,244.60, 111,439.80 and 36,846.90

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Solution

The fourth proportional to 74,244.60, 111,439.80 and 36,846.90 is: 55,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,244.60 : 111,439.80 = 36,846.90 : x
  2. Step 2: Convert to fraction form
    74,244.60/111,439.80 = 36,846.90/x
  3. Step 3: Cross multiply
    74,244.60x = 111,439.80 × 36,846.90
  4. Step 4: Simplify right side
    74,244.60x = 4,106,211,166.62
  5. Step 5: Solve for x
    x = 4,106,211,166.62/74,244.60
  6. Step 6: Final answer
    x = 55,306.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.