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Finding the Fourth Proportional to 85,596.89, 118,121.49 and 47,355.44

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Solution

The fourth proportional to 85,596.89, 118,121.49 and 47,355.44 is: 65,349.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,596.89 : 118,121.49 = 47,355.44 : x
  2. Step 2: Convert to fraction form
    85,596.89/118,121.49 = 47,355.44/x
  3. Step 3: Cross multiply
    85,596.89x = 118,121.49 × 47,355.44
  4. Step 4: Simplify right side
    85,596.89x = 5,593,694,541.80
  5. Step 5: Solve for x
    x = 5,593,694,541.80/85,596.89
  6. Step 6: Final answer
    x = 65,349.28

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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.