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Finding the Fourth Proportional to 100,102.44, 150,195.51 and 43,913.55

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Solution

The fourth proportional to 100,102.44, 150,195.51 and 43,913.55 is: 65,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,102.44 : 150,195.51 = 43,913.55 : x
  2. Step 2: Convert to fraction form
    100,102.44/150,195.51 = 43,913.55/x
  3. Step 3: Cross multiply
    100,102.44x = 150,195.51 × 43,913.55
  4. Step 4: Simplify right side
    100,102.44x = 6,595,618,038.16
  5. Step 5: Solve for x
    x = 6,595,618,038.16/100,102.44
  6. Step 6: Final answer
    x = 65,888.68

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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.