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Finding the Fourth Proportional to 135,999.40, 203,595.90 and 101,093.80

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Solution

The fourth proportional to 135,999.40, 203,595.90 and 101,093.80 is: 151,340.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,999.40 : 203,595.90 = 101,093.80 : x
  2. Step 2: Convert to fraction form
    135,999.40/203,595.90 = 101,093.80/x
  3. Step 3: Cross multiply
    135,999.40x = 203,595.90 × 101,093.80
  4. Step 4: Simplify right side
    135,999.40x = 20,582,283,195.42
  5. Step 5: Solve for x
    x = 20,582,283,195.42/135,999.40
  6. Step 6: Final answer
    x = 151,340.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.