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Finding the Fourth Proportional to 143,773.48, 215,699.04 and 43,930.94

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Solution

The fourth proportional to 143,773.48, 215,699.04 and 43,930.94 is: 65,908.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,773.48 : 215,699.04 = 43,930.94 : x
  2. Step 2: Convert to fraction form
    143,773.48/215,699.04 = 43,930.94/x
  3. Step 3: Cross multiply
    143,773.48x = 215,699.04 × 43,930.94
  4. Step 4: Simplify right side
    143,773.48x = 9,475,860,505.80
  5. Step 5: Solve for x
    x = 9,475,860,505.80/143,773.48
  6. Step 6: Final answer
    x = 65,908.26

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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.