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Finding the Fourth Proportional to 100,609.56, 150,801.93 and 43,617.67

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Solution

The fourth proportional to 100,609.56, 150,801.93 and 43,617.67 is: 65,377.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,609.56 : 150,801.93 = 43,617.67 : x
  2. Step 2: Convert to fraction form
    100,609.56/150,801.93 = 43,617.67/x
  3. Step 3: Cross multiply
    100,609.56x = 150,801.93 × 43,617.67
  4. Step 4: Simplify right side
    100,609.56x = 6,577,628,818.10
  5. Step 5: Solve for x
    x = 6,577,628,818.10/100,609.56
  6. Step 6: Final answer
    x = 65,377.77

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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.