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Finding the Fourth Proportional to 191,452.26, 287,309.60 and 66,793.26

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Solution

The fourth proportional to 191,452.26, 287,309.60 and 66,793.26 is: 100,235.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,452.26 : 287,309.60 = 66,793.26 : x
  2. Step 2: Convert to fraction form
    191,452.26/287,309.60 = 66,793.26/x
  3. Step 3: Cross multiply
    191,452.26x = 287,309.60 × 66,793.26
  4. Step 4: Simplify right side
    191,452.26x = 19,190,344,813.30
  5. Step 5: Solve for x
    x = 19,190,344,813.30/191,452.26
  6. Step 6: Final answer
    x = 100,235.67

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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.