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Finding the Fourth Proportional to 100,858.19, 151,217.23 and 44,667.68

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Solution

The fourth proportional to 100,858.19, 151,217.23 and 44,667.68 is: 66,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,858.19 : 151,217.23 = 44,667.68 : x
  2. Step 2: Convert to fraction form
    100,858.19/151,217.23 = 44,667.68/x
  3. Step 3: Cross multiply
    100,858.19x = 151,217.23 × 44,667.68
  4. Step 4: Simplify right side
    100,858.19x = 6,754,522,840.13
  5. Step 5: Solve for x
    x = 6,754,522,840.13/100,858.19
  6. Step 6: Final answer
    x = 66,970.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.