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Finding the Fourth Proportional to 110,801.80, 166,089.30 and 54,555.40

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Solution

The fourth proportional to 110,801.80, 166,089.30 and 54,555.40 is: 81,777.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,801.80 : 166,089.30 = 54,555.40 : x
  2. Step 2: Convert to fraction form
    110,801.80/166,089.30 = 54,555.40/x
  3. Step 3: Cross multiply
    110,801.80x = 166,089.30 × 54,555.40
  4. Step 4: Simplify right side
    110,801.80x = 9,061,068,197.22
  5. Step 5: Solve for x
    x = 9,061,068,197.22/110,801.80
  6. Step 6: Final answer
    x = 81,777.27

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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.