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Finding the Fourth Proportional to 110,793.80, 166,077.30 and 54,547.40

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Solution

The fourth proportional to 110,793.80, 166,077.30 and 54,547.40 is: 81,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,793.80 : 166,077.30 = 54,547.40 : x
  2. Step 2: Convert to fraction form
    110,793.80/166,077.30 = 54,547.40/x
  3. Step 3: Cross multiply
    110,793.80x = 166,077.30 × 54,547.40
  4. Step 4: Simplify right side
    110,793.80x = 9,059,084,914.02
  5. Step 5: Solve for x
    x = 9,059,084,914.02/110,793.80
  6. Step 6: Final answer
    x = 81,765.27

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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.