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Finding the Fourth Proportional to 100,165.45, 150,255.99 and 29,089.25

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Solution

The fourth proportional to 100,165.45, 150,255.99 and 29,089.25 is: 43,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,165.45 : 150,255.99 = 29,089.25 : x
  2. Step 2: Convert to fraction form
    100,165.45/150,255.99 = 29,089.25/x
  3. Step 3: Cross multiply
    100,165.45x = 150,255.99 × 29,089.25
  4. Step 4: Simplify right side
    100,165.45x = 4,370,834,210.07
  5. Step 5: Solve for x
    x = 4,370,834,210.07/100,165.45
  6. Step 6: Final answer
    x = 43,636.15

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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.