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Finding the Fourth Proportional to 188,793.84, 260,536.14 and 108,226.20

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Solution

The fourth proportional to 188,793.84, 260,536.14 and 108,226.20 is: 149,352.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,793.84 : 260,536.14 = 108,226.20 : x
  2. Step 2: Convert to fraction form
    188,793.84/260,536.14 = 108,226.20/x
  3. Step 3: Cross multiply
    188,793.84x = 260,536.14 × 108,226.20
  4. Step 4: Simplify right side
    188,793.84x = 28,196,836,394.87
  5. Step 5: Solve for x
    x = 28,196,836,394.87/188,793.84
  6. Step 6: Final answer
    x = 149,352.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.