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Finding the Fourth Proportional to 183,415.32, 275,200.74 and 100,212.12

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Solution

The fourth proportional to 183,415.32, 275,200.74 and 100,212.12 is: 150,360.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,415.32 : 275,200.74 = 100,212.12 : x
  2. Step 2: Convert to fraction form
    183,415.32/275,200.74 = 100,212.12/x
  3. Step 3: Cross multiply
    183,415.32x = 275,200.74 × 100,212.12
  4. Step 4: Simplify right side
    183,415.32x = 27,578,449,580.97
  5. Step 5: Solve for x
    x = 27,578,449,580.97/183,415.32
  6. Step 6: Final answer
    x = 150,360.67

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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.