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Finding the Fourth Proportional to 110,836.80, 166,141.80 and 54,590.40

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Solution

The fourth proportional to 110,836.80, 166,141.80 and 54,590.40 is: 81,829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,836.80 : 166,141.80 = 54,590.40 : x
  2. Step 2: Convert to fraction form
    110,836.80/166,141.80 = 54,590.40/x
  3. Step 3: Cross multiply
    110,836.80x = 166,141.80 × 54,590.40
  4. Step 4: Simplify right side
    110,836.80x = 9,069,747,318.72
  5. Step 5: Solve for x
    x = 9,069,747,318.72/110,836.80
  6. Step 6: Final answer
    x = 81,829.75

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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.