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Finding the Fourth Proportional to 66,834.80, 100,252.20 and 41,951.60

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Solution

The fourth proportional to 66,834.80, 100,252.20 and 41,951.60 is: 62,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,834.80 : 100,252.20 = 41,951.60 : x
  2. Step 2: Convert to fraction form
    66,834.80/100,252.20 = 41,951.60/x
  3. Step 3: Cross multiply
    66,834.80x = 100,252.20 × 41,951.60
  4. Step 4: Simplify right side
    66,834.80x = 4,205,740,193.52
  5. Step 5: Solve for x
    x = 4,205,740,193.52/66,834.80
  6. Step 6: Final answer
    x = 62,927.40

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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.