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Finding the Fourth Proportional to 300,166.90, 450,104.55 and 166,905.70

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Solution

The fourth proportional to 300,166.90, 450,104.55 and 166,905.70 is: 250,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,166.90 : 450,104.55 = 166,905.70 : x
  2. Step 2: Convert to fraction form
    300,166.90/450,104.55 = 166,905.70/x
  3. Step 3: Cross multiply
    300,166.90x = 450,104.55 × 166,905.70
  4. Step 4: Simplify right side
    300,166.90x = 75,125,014,990.94
  5. Step 5: Solve for x
    x = 75,125,014,990.94/300,166.90
  6. Step 6: Final answer
    x = 250,277.48

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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.