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Finding the Fourth Proportional to 188,889.80, 283,757.10 and 157,785.80

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Solution

The fourth proportional to 188,889.80, 283,757.10 and 157,785.80 is: 237,031.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,889.80 : 283,757.10 = 157,785.80 : x
  2. Step 2: Convert to fraction form
    188,889.80/283,757.10 = 157,785.80/x
  3. Step 3: Cross multiply
    188,889.80x = 283,757.10 × 157,785.80
  4. Step 4: Simplify right side
    188,889.80x = 44,772,841,029.18
  5. Step 5: Solve for x
    x = 44,772,841,029.18/188,889.80
  6. Step 6: Final answer
    x = 237,031.54

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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.