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Finding the Fourth Proportional to 325,808.02, 488,646.42 and 89,174.62

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Solution

The fourth proportional to 325,808.02, 488,646.42 and 89,174.62 is: 133,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,808.02 : 488,646.42 = 89,174.62 : x
  2. Step 2: Convert to fraction form
    325,808.02/488,646.42 = 89,174.62/x
  3. Step 3: Cross multiply
    325,808.02x = 488,646.42 × 89,174.62
  4. Step 4: Simplify right side
    325,808.02x = 43,574,858,817.86
  5. Step 5: Solve for x
    x = 43,574,858,817.86/325,808.02
  6. Step 6: Final answer
    x = 133,743.97

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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.