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Finding the Fourth Proportional to 100,965.26, 151,437.36 and 44,806.34

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Solution

The fourth proportional to 100,965.26, 151,437.36 and 44,806.34 is: 67,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,965.26 : 151,437.36 = 44,806.34 : x
  2. Step 2: Convert to fraction form
    100,965.26/151,437.36 = 44,806.34/x
  3. Step 3: Cross multiply
    100,965.26x = 151,437.36 × 44,806.34
  4. Step 4: Simplify right side
    100,965.26x = 6,785,353,840.86
  5. Step 5: Solve for x
    x = 6,785,353,840.86/100,965.26
  6. Step 6: Final answer
    x = 67,204.84

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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.