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Finding the Fourth Proportional to 69,645.60, 104,468.40 and 50,108.40

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Solution

The fourth proportional to 69,645.60, 104,468.40 and 50,108.40 is: 75,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,645.60 : 104,468.40 = 50,108.40 : x
  2. Step 2: Convert to fraction form
    69,645.60/104,468.40 = 50,108.40/x
  3. Step 3: Cross multiply
    69,645.60x = 104,468.40 × 50,108.40
  4. Step 4: Simplify right side
    69,645.60x = 5,234,744,374.56
  5. Step 5: Solve for x
    x = 5,234,744,374.56/69,645.60
  6. Step 6: Final answer
    x = 75,162.60

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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.