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Finding the Fourth Proportional to 111,465.60, 166,809.60 and 76,473.60

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Solution

The fourth proportional to 111,465.60, 166,809.60 and 76,473.60 is: 114,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,465.60 : 166,809.60 = 76,473.60 : x
  2. Step 2: Convert to fraction form
    111,465.60/166,809.60 = 76,473.60/x
  3. Step 3: Cross multiply
    111,465.60x = 166,809.60 × 76,473.60
  4. Step 4: Simplify right side
    111,465.60x = 12,756,530,626.56
  5. Step 5: Solve for x
    x = 12,756,530,626.56/111,465.60
  6. Step 6: Final answer
    x = 114,443.65

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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.