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Finding the Fourth Proportional to 285,092.39, 427,733.60 and 95,571.50

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Solution

The fourth proportional to 285,092.39, 427,733.60 and 95,571.50 is: 143,389.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,092.39 : 427,733.60 = 95,571.50 : x
  2. Step 2: Convert to fraction form
    285,092.39/427,733.60 = 95,571.50/x
  3. Step 3: Cross multiply
    285,092.39x = 427,733.60 × 95,571.50
  4. Step 4: Simplify right side
    285,092.39x = 40,879,139,135.87
  5. Step 5: Solve for x
    x = 40,879,139,135.87/285,092.39
  6. Step 6: Final answer
    x = 143,389.09

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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.