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Finding the Fourth Proportional to 104,077, 143,625.99 and 56,330.34

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Solution

The fourth proportional to 104,077, 143,625.99 and 56,330.34 is: 77,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,077 : 143,625.99 = 56,330.34 : x
  2. Step 2: Convert to fraction form
    104,077/143,625.99 = 56,330.34/x
  3. Step 3: Cross multiply
    104,077x = 143,625.99 × 56,330.34
  4. Step 4: Simplify right side
    104,077x = 8,090,500,849.54
  5. Step 5: Solve for x
    x = 8,090,500,849.54/104,077
  6. Step 6: Final answer
    x = 77,735.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.