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Finding the Fourth Proportional to 100,528.67, 150,563.26 and 47,975.06

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Solution

The fourth proportional to 100,528.67, 150,563.26 and 47,975.06 is: 71,852.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,528.67 : 150,563.26 = 47,975.06 : x
  2. Step 2: Convert to fraction form
    100,528.67/150,563.26 = 47,975.06/x
  3. Step 3: Cross multiply
    100,528.67x = 150,563.26 × 47,975.06
  4. Step 4: Simplify right side
    100,528.67x = 7,223,280,439.60
  5. Step 5: Solve for x
    x = 7,223,280,439.60/100,528.67
  6. Step 6: Final answer
    x = 71,852.94

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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.