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Finding the Fourth Proportional to 70,158.50, 105,246.70 and 32,198.56

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Solution

The fourth proportional to 70,158.50, 105,246.70 and 32,198.56 is: 48,301.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,158.50 : 105,246.70 = 32,198.56 : x
  2. Step 2: Convert to fraction form
    70,158.50/105,246.70 = 32,198.56/x
  3. Step 3: Cross multiply
    70,158.50x = 105,246.70 × 32,198.56
  4. Step 4: Simplify right side
    70,158.50x = 3,388,792,184.75
  5. Step 5: Solve for x
    x = 3,388,792,184.75/70,158.50
  6. Step 6: Final answer
    x = 48,301.95

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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.