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Finding the Fourth Proportional to 188,922.30, 283,805.85 and 157,818.30

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Solution

The fourth proportional to 188,922.30, 283,805.85 and 157,818.30 is: 237,080.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,922.30 : 283,805.85 = 157,818.30 : x
  2. Step 2: Convert to fraction form
    188,922.30/283,805.85 = 157,818.30/x
  3. Step 3: Cross multiply
    188,922.30x = 283,805.85 × 157,818.30
  4. Step 4: Simplify right side
    188,922.30x = 44,789,756,777.06
  5. Step 5: Solve for x
    x = 44,789,756,777.06/188,922.30
  6. Step 6: Final answer
    x = 237,080.31

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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.