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Finding the Fourth Proportional to 188,818.57, 283,227.86 and 70,499.14

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Solution

The fourth proportional to 188,818.57, 283,227.86 and 70,499.14 is: 105,748.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,818.57 : 283,227.86 = 70,499.14 : x
  2. Step 2: Convert to fraction form
    188,818.57/283,227.86 = 70,499.14/x
  3. Step 3: Cross multiply
    188,818.57x = 283,227.86 × 70,499.14
  4. Step 4: Simplify right side
    188,818.57x = 19,967,320,022.22
  5. Step 5: Solve for x
    x = 19,967,320,022.22/188,818.57
  6. Step 6: Final answer
    x = 105,748.71

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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.