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Finding the Fourth Proportional to 69,204.03, 94,878.66 and 67,942.86

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Solution

The fourth proportional to 69,204.03, 94,878.66 and 67,942.86 is: 93,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,204.03 : 94,878.66 = 67,942.86 : x
  2. Step 2: Convert to fraction form
    69,204.03/94,878.66 = 67,942.86/x
  3. Step 3: Cross multiply
    69,204.03x = 94,878.66 × 67,942.86
  4. Step 4: Simplify right side
    69,204.03x = 6,446,327,513.37
  5. Step 5: Solve for x
    x = 6,446,327,513.37/69,204.03
  6. Step 6: Final answer
    x = 93,149.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.