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Finding the Fourth Proportional to 104,493.15, 156,739.73 and 73,000.35

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Solution

The fourth proportional to 104,493.15, 156,739.73 and 73,000.35 is: 109,500.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,493.15 : 156,739.73 = 73,000.35 : x
  2. Step 2: Convert to fraction form
    104,493.15/156,739.73 = 73,000.35/x
  3. Step 3: Cross multiply
    104,493.15x = 156,739.73 × 73,000.35
  4. Step 4: Simplify right side
    104,493.15x = 11,442,054,783.90
  5. Step 5: Solve for x
    x = 11,442,054,783.90/104,493.15
  6. Step 6: Final answer
    x = 109,500.53

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Similar ratio
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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.