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Finding the Fourth Proportional to 192,503.90, 288,733.79 and 50,362.90

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Solution

The fourth proportional to 192,503.90, 288,733.79 and 50,362.90 is: 75,538.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,503.90 : 288,733.79 = 50,362.90 : x
  2. Step 2: Convert to fraction form
    192,503.90/288,733.79 = 50,362.90/x
  3. Step 3: Cross multiply
    192,503.90x = 288,733.79 × 50,362.90
  4. Step 4: Simplify right side
    192,503.90x = 14,541,470,396.46
  5. Step 5: Solve for x
    x = 14,541,470,396.46/192,503.90
  6. Step 6: Final answer
    x = 75,538.57

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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.