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Finding the Fourth Proportional to 100,188.18, 150,302.34 and 32,724.72

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Solution

The fourth proportional to 100,188.18, 150,302.34 and 32,724.72 is: 49,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,188.18 : 150,302.34 = 32,724.72 : x
  2. Step 2: Convert to fraction form
    100,188.18/150,302.34 = 32,724.72/x
  3. Step 3: Cross multiply
    100,188.18x = 150,302.34 × 32,724.72
  4. Step 4: Simplify right side
    100,188.18x = 4,918,601,991.84
  5. Step 5: Solve for x
    x = 4,918,601,991.84/100,188.18
  6. Step 6: Final answer
    x = 49,093.64

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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.