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Finding the Fourth Proportional to 104,695.38, 144,406.44 and 68,873.94

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Solution

The fourth proportional to 104,695.38, 144,406.44 and 68,873.94 is: 94,997.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,695.38 : 144,406.44 = 68,873.94 : x
  2. Step 2: Convert to fraction form
    104,695.38/144,406.44 = 68,873.94/x
  3. Step 3: Cross multiply
    104,695.38x = 144,406.44 × 68,873.94
  4. Step 4: Simplify right side
    104,695.38x = 9,945,840,484.17
  5. Step 5: Solve for x
    x = 9,945,840,484.17/104,695.38
  6. Step 6: Final answer
    x = 94,997.89

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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.