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Finding the Fourth Proportional to 325,888.21, 488,832.72 and 89,232.94

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Solution

The fourth proportional to 325,888.21, 488,832.72 and 89,232.94 is: 133,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,888.21 : 488,832.72 = 89,232.94 : x
  2. Step 2: Convert to fraction form
    325,888.21/488,832.72 = 89,232.94/x
  3. Step 3: Cross multiply
    325,888.21x = 488,832.72 × 89,232.94
  4. Step 4: Simplify right side
    325,888.21x = 43,619,980,773.80
  5. Step 5: Solve for x
    x = 43,619,980,773.80/325,888.21
  6. Step 6: Final answer
    x = 133,849.52

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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.