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Finding the Fourth Proportional to 104,996.78, 157,495.79 and 26,111.01

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Solution

The fourth proportional to 104,996.78, 157,495.79 and 26,111.01 is: 39,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,996.78 : 157,495.79 = 26,111.01 : x
  2. Step 2: Convert to fraction form
    104,996.78/157,495.79 = 26,111.01/x
  3. Step 3: Cross multiply
    104,996.78x = 157,495.79 × 26,111.01
  4. Step 4: Simplify right side
    104,996.78x = 4,112,374,147.65
  5. Step 5: Solve for x
    x = 4,112,374,147.65/104,996.78
  6. Step 6: Final answer
    x = 39,166.67

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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.