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Finding the Fourth Proportional to 188,772.72, 283,152.60 and 55,647.60

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Solution

The fourth proportional to 188,772.72, 283,152.60 and 55,647.60 is: 83,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,772.72 : 283,152.60 = 55,647.60 : x
  2. Step 2: Convert to fraction form
    188,772.72/283,152.60 = 55,647.60/x
  3. Step 3: Cross multiply
    188,772.72x = 283,152.60 × 55,647.60
  4. Step 4: Simplify right side
    188,772.72x = 15,756,762,623.76
  5. Step 5: Solve for x
    x = 15,756,762,623.76/188,772.72
  6. Step 6: Final answer
    x = 83,469.49

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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.