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Finding the Fourth Proportional to 101,600.33, 140,224.50 and 61,319.84

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Solution

The fourth proportional to 101,600.33, 140,224.50 and 61,319.84 is: 84,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,600.33 : 140,224.50 = 61,319.84 : x
  2. Step 2: Convert to fraction form
    101,600.33/140,224.50 = 61,319.84/x
  3. Step 3: Cross multiply
    101,600.33x = 140,224.50 × 61,319.84
  4. Step 4: Simplify right side
    101,600.33x = 8,598,543,202.96
  5. Step 5: Solve for x
    x = 8,598,543,202.96/101,600.33
  6. Step 6: Final answer
    x = 84,631.06

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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.