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Finding the Fourth Proportional to 68,732.70, 94,847.67 and 43,590.30

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Solution

The fourth proportional to 68,732.70, 94,847.67 and 43,590.30 is: 60,152.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,732.70 : 94,847.67 = 43,590.30 : x
  2. Step 2: Convert to fraction form
    68,732.70/94,847.67 = 43,590.30/x
  3. Step 3: Cross multiply
    68,732.70x = 94,847.67 × 43,590.30
  4. Step 4: Simplify right side
    68,732.70x = 4,134,438,389.60
  5. Step 5: Solve for x
    x = 4,134,438,389.60/68,732.70
  6. Step 6: Final answer
    x = 60,152.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.