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Finding the Fourth Proportional to 100,348.69, 150,300.96 and 41,004.31

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Solution

The fourth proportional to 100,348.69, 150,300.96 and 41,004.31 is: 61,415.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,348.69 : 150,300.96 = 41,004.31 : x
  2. Step 2: Convert to fraction form
    100,348.69/150,300.96 = 41,004.31/x
  3. Step 3: Cross multiply
    100,348.69x = 150,300.96 × 41,004.31
  4. Step 4: Simplify right side
    100,348.69x = 6,162,987,157.14
  5. Step 5: Solve for x
    x = 6,162,987,157.14/100,348.69
  6. Step 6: Final answer
    x = 61,415.72

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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.