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Finding the Fourth Proportional to 104,196.44, 143,790.82 and 56,450.96

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Solution

The fourth proportional to 104,196.44, 143,790.82 and 56,450.96 is: 77,902.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,196.44 : 143,790.82 = 56,450.96 : x
  2. Step 2: Convert to fraction form
    104,196.44/143,790.82 = 56,450.96/x
  3. Step 3: Cross multiply
    104,196.44x = 143,790.82 × 56,450.96
  4. Step 4: Simplify right side
    104,196.44x = 8,117,129,828.19
  5. Step 5: Solve for x
    x = 8,117,129,828.19/104,196.44
  6. Step 6: Final answer
    x = 77,902.18

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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.