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Finding the Fourth Proportional to 188,889.90, 283,334.85 and 109,064.40

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Solution

The fourth proportional to 188,889.90, 283,334.85 and 109,064.40 is: 163,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,889.90 : 283,334.85 = 109,064.40 : x
  2. Step 2: Convert to fraction form
    188,889.90/283,334.85 = 109,064.40/x
  3. Step 3: Cross multiply
    188,889.90x = 283,334.85 × 109,064.40
  4. Step 4: Simplify right side
    188,889.90x = 30,901,745,414.34
  5. Step 5: Solve for x
    x = 30,901,745,414.34/188,889.90
  6. Step 6: Final answer
    x = 163,596.60

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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.