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Finding the Fourth Proportional to 374,571.44, 561,772.92 and 108,272.60

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Solution

The fourth proportional to 374,571.44, 561,772.92 and 108,272.60 is: 162,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,571.44 : 561,772.92 = 108,272.60 : x
  2. Step 2: Convert to fraction form
    374,571.44/561,772.92 = 108,272.60/x
  3. Step 3: Cross multiply
    374,571.44x = 561,772.92 × 108,272.60
  4. Step 4: Simplify right side
    374,571.44x = 60,824,614,657.99
  5. Step 5: Solve for x
    x = 60,824,614,657.99/374,571.44
  6. Step 6: Final answer
    x = 162,384.55

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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.