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Finding the Fourth Proportional to 69,740.20, 104,456.70 and 60,524.20

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Solution

The fourth proportional to 69,740.20, 104,456.70 and 60,524.20 is: 90,653.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,740.20 : 104,456.70 = 60,524.20 : x
  2. Step 2: Convert to fraction form
    69,740.20/104,456.70 = 60,524.20/x
  3. Step 3: Cross multiply
    69,740.20x = 104,456.70 × 60,524.20
  4. Step 4: Simplify right side
    69,740.20x = 6,322,158,202.14
  5. Step 5: Solve for x
    x = 6,322,158,202.14/69,740.20
  6. Step 6: Final answer
    x = 90,653.00

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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.