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Finding the Fourth Proportional to 104,705.90, 144,581.41 and 97,107.96

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Solution

The fourth proportional to 104,705.90, 144,581.41 and 97,107.96 is: 134,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,705.90 : 144,581.41 = 97,107.96 : x
  2. Step 2: Convert to fraction form
    104,705.90/144,581.41 = 97,107.96/x
  3. Step 3: Cross multiply
    104,705.90x = 144,581.41 × 97,107.96
  4. Step 4: Simplify right side
    104,705.90x = 14,040,005,896.36
  5. Step 5: Solve for x
    x = 14,040,005,896.36/104,705.90
  6. Step 6: Final answer
    x = 134,089.92

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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.