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Finding the Fourth Proportional to 188,886.80, 283,330.20 and 64,227.80

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Solution

The fourth proportional to 188,886.80, 283,330.20 and 64,227.80 is: 96,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,886.80 : 283,330.20 = 64,227.80 : x
  2. Step 2: Convert to fraction form
    188,886.80/283,330.20 = 64,227.80/x
  3. Step 3: Cross multiply
    188,886.80x = 283,330.20 × 64,227.80
  4. Step 4: Simplify right side
    188,886.80x = 18,197,675,419.56
  5. Step 5: Solve for x
    x = 18,197,675,419.56/188,886.80
  6. Step 6: Final answer
    x = 96,341.70

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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.