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Finding the Fourth Proportional to 73,103.60, 109,540.58 and 56,504.28

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Solution

The fourth proportional to 73,103.60, 109,540.58 and 56,504.28 is: 84,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,103.60 : 109,540.58 = 56,504.28 : x
  2. Step 2: Convert to fraction form
    73,103.60/109,540.58 = 56,504.28/x
  3. Step 3: Cross multiply
    73,103.60x = 109,540.58 × 56,504.28
  4. Step 4: Simplify right side
    73,103.60x = 6,189,511,603.68
  5. Step 5: Solve for x
    x = 6,189,511,603.68/73,103.60
  6. Step 6: Final answer
    x = 84,667.67

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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.