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Finding the Fourth Proportional to 73,395.50, 101,330.48 and 68,872.05

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Solution

The fourth proportional to 73,395.50, 101,330.48 and 68,872.05 is: 95,085.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,395.50 : 101,330.48 = 68,872.05 : x
  2. Step 2: Convert to fraction form
    73,395.50/101,330.48 = 68,872.05/x
  3. Step 3: Cross multiply
    73,395.50x = 101,330.48 × 68,872.05
  4. Step 4: Simplify right side
    73,395.50x = 6,978,838,057.26
  5. Step 5: Solve for x
    x = 6,978,838,057.26/73,395.50
  6. Step 6: Final answer
    x = 95,085.37

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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.