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Finding the Fourth Proportional to 104,069.72, 156,186.66 and 53,466.73

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Solution

The fourth proportional to 104,069.72, 156,186.66 and 53,466.73 is: 80,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,069.72 : 156,186.66 = 53,466.73 : x
  2. Step 2: Convert to fraction form
    104,069.72/156,186.66 = 53,466.73/x
  3. Step 3: Cross multiply
    104,069.72x = 156,186.66 × 53,466.73
  4. Step 4: Simplify right side
    104,069.72x = 8,350,789,979.82
  5. Step 5: Solve for x
    x = 8,350,789,979.82/104,069.72
  6. Step 6: Final answer
    x = 80,242.26

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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.