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Finding the Fourth Proportional to 109,675.90, 164,513.85 and 50,626.90

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Solution

The fourth proportional to 109,675.90, 164,513.85 and 50,626.90 is: 75,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,675.90 : 164,513.85 = 50,626.90 : x
  2. Step 2: Convert to fraction form
    109,675.90/164,513.85 = 50,626.90/x
  3. Step 3: Cross multiply
    109,675.90x = 164,513.85 × 50,626.90
  4. Step 4: Simplify right side
    109,675.90x = 8,328,826,232.57
  5. Step 5: Solve for x
    x = 8,328,826,232.57/109,675.90
  6. Step 6: Final answer
    x = 75,940.35

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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.