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Finding the Fourth Proportional to 192,099.26, 288,116.37 and 70,494.77

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Solution

The fourth proportional to 192,099.26, 288,116.37 and 70,494.77 is: 105,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,099.26 : 288,116.37 = 70,494.77 : x
  2. Step 2: Convert to fraction form
    192,099.26/288,116.37 = 70,494.77/x
  3. Step 3: Cross multiply
    192,099.26x = 288,116.37 × 70,494.77
  4. Step 4: Simplify right side
    192,099.26x = 20,310,695,795.80
  5. Step 5: Solve for x
    x = 20,310,695,795.80/192,099.26
  6. Step 6: Final answer
    x = 105,730.22

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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.