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Finding the Fourth Proportional to 66,802.73, 100,174.73 and 20,044.67

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Solution

The fourth proportional to 66,802.73, 100,174.73 and 20,044.67 is: 30,058.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,802.73 : 100,174.73 = 20,044.67 : x
  2. Step 2: Convert to fraction form
    66,802.73/100,174.73 = 20,044.67/x
  3. Step 3: Cross multiply
    66,802.73x = 100,174.73 × 20,044.67
  4. Step 4: Simplify right side
    66,802.73x = 2,007,968,804.09
  5. Step 5: Solve for x
    x = 2,007,968,804.09/66,802.73
  6. Step 6: Final answer
    x = 30,058.19

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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.