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Finding the Fourth Proportional to 73,808.55, 110,548.80 and 57,114.45

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Solution

The fourth proportional to 73,808.55, 110,548.80 and 57,114.45 is: 85,544.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,808.55 : 110,548.80 = 57,114.45 : x
  2. Step 2: Convert to fraction form
    73,808.55/110,548.80 = 57,114.45/x
  3. Step 3: Cross multiply
    73,808.55x = 110,548.80 × 57,114.45
  4. Step 4: Simplify right side
    73,808.55x = 6,313,933,910.16
  5. Step 5: Solve for x
    x = 6,313,933,910.16/73,808.55
  6. Step 6: Final answer
    x = 85,544.75

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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.