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Finding the Fourth Proportional to 175,919, 263,778.53 and 69,245.14

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Solution

The fourth proportional to 175,919, 263,778.53 and 69,245.14 is: 103,828.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,919 : 263,778.53 = 69,245.14 : x
  2. Step 2: Convert to fraction form
    175,919/263,778.53 = 69,245.14/x
  3. Step 3: Cross multiply
    175,919x = 263,778.53 × 69,245.14
  4. Step 4: Simplify right side
    175,919x = 18,265,381,238.84
  5. Step 5: Solve for x
    x = 18,265,381,238.84/175,919
  6. Step 6: Final answer
    x = 103,828.36

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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.