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Finding the Fourth Proportional to 188,818.39, 283,227.57 and 64,159.39

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Solution

The fourth proportional to 188,818.39, 283,227.57 and 64,159.39 is: 96,239.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,818.39 : 283,227.57 = 64,159.39 : x
  2. Step 2: Convert to fraction form
    188,818.39/283,227.57 = 64,159.39/x
  3. Step 3: Cross multiply
    188,818.39x = 283,227.57 × 64,159.39
  4. Step 4: Simplify right side
    188,818.39x = 18,171,708,476.42
  5. Step 5: Solve for x
    x = 18,171,708,476.42/188,818.39
  6. Step 6: Final answer
    x = 96,239.08

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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.