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Finding the Fourth Proportional to 190,503.39, 285,766.95 and 50,262.15

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Solution

The fourth proportional to 190,503.39, 285,766.95 and 50,262.15 is: 75,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,503.39 : 285,766.95 = 50,262.15 : x
  2. Step 2: Convert to fraction form
    190,503.39/285,766.95 = 50,262.15/x
  3. Step 3: Cross multiply
    190,503.39x = 285,766.95 × 50,262.15
  4. Step 4: Simplify right side
    190,503.39x = 14,363,261,305.94
  5. Step 5: Solve for x
    x = 14,363,261,305.94/190,503.39
  6. Step 6: Final answer
    x = 75,396.36

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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.