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Finding the Fourth Proportional to 70,173.36, 104,357.52 and 67,958.46

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Solution

The fourth proportional to 70,173.36, 104,357.52 and 67,958.46 is: 101,063.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,173.36 : 104,357.52 = 67,958.46 : x
  2. Step 2: Convert to fraction form
    70,173.36/104,357.52 = 67,958.46/x
  3. Step 3: Cross multiply
    70,173.36x = 104,357.52 × 67,958.46
  4. Step 4: Simplify right side
    70,173.36x = 7,091,976,348.62
  5. Step 5: Solve for x
    x = 7,091,976,348.62/70,173.36
  6. Step 6: Final answer
    x = 101,063.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.