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Finding the Fourth Proportional to 111,160.80, 166,627.80 and 54,914.40

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Solution

The fourth proportional to 111,160.80, 166,627.80 and 54,914.40 is: 82,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,160.80 : 166,627.80 = 54,914.40 : x
  2. Step 2: Convert to fraction form
    111,160.80/166,627.80 = 54,914.40/x
  3. Step 3: Cross multiply
    111,160.80x = 166,627.80 × 54,914.40
  4. Step 4: Simplify right side
    111,160.80x = 9,150,265,660.32
  5. Step 5: Solve for x
    x = 9,150,265,660.32/111,160.80
  6. Step 6: Final answer
    x = 82,315.58

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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.