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Finding the Fourth Proportional to 218,099.20, 327,148.80 and 183,107.20

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Solution

The fourth proportional to 218,099.20, 327,148.80 and 183,107.20 is: 274,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,099.20 : 327,148.80 = 183,107.20 : x
  2. Step 2: Convert to fraction form
    218,099.20/327,148.80 = 183,107.20/x
  3. Step 3: Cross multiply
    218,099.20x = 327,148.80 × 183,107.20
  4. Step 4: Simplify right side
    218,099.20x = 59,903,300,751.36
  5. Step 5: Solve for x
    x = 59,903,300,751.36/218,099.20
  6. Step 6: Final answer
    x = 274,660.80

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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.