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Finding the Fourth Proportional to 100,609.06, 150,801.19 and 43,617.18

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Solution

The fourth proportional to 100,609.06, 150,801.19 and 43,617.18 is: 65,377.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,609.06 : 150,801.19 = 43,617.18 : x
  2. Step 2: Convert to fraction form
    100,609.06/150,801.19 = 43,617.18/x
  3. Step 3: Cross multiply
    100,609.06x = 150,801.19 × 43,617.18
  4. Step 4: Simplify right side
    100,609.06x = 6,577,521,676.35
  5. Step 5: Solve for x
    x = 6,577,521,676.35/100,609.06
  6. Step 6: Final answer
    x = 65,377.03

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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.