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Finding the Fourth Proportional to 68,213.01, 93,452.26 and 65,656.25

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Solution

The fourth proportional to 68,213.01, 93,452.26 and 65,656.25 is: 89,949.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,213.01 : 93,452.26 = 65,656.25 : x
  2. Step 2: Convert to fraction form
    68,213.01/93,452.26 = 65,656.25/x
  3. Step 3: Cross multiply
    68,213.01x = 93,452.26 × 65,656.25
  4. Step 4: Simplify right side
    68,213.01x = 6,135,725,261.33
  5. Step 5: Solve for x
    x = 6,135,725,261.33/68,213.01
  6. Step 6: Final answer
    x = 89,949.49

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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.