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Finding the Fourth Proportional to 188,672.10, 283,008.15 and 88,799.10

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Solution

The fourth proportional to 188,672.10, 283,008.15 and 88,799.10 is: 133,198.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,672.10 : 283,008.15 = 88,799.10 : x
  2. Step 2: Convert to fraction form
    188,672.10/283,008.15 = 88,799.10/x
  3. Step 3: Cross multiply
    188,672.10x = 283,008.15 × 88,799.10
  4. Step 4: Simplify right side
    188,672.10x = 25,130,869,012.67
  5. Step 5: Solve for x
    x = 25,130,869,012.67/188,672.10
  6. Step 6: Final answer
    x = 133,198.65

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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.