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Finding the Fourth Proportional to 69,851.46, 104,802.46 and 43,166.22

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Solution

The fourth proportional to 69,851.46, 104,802.46 and 43,166.22 is: 64,764.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,851.46 : 104,802.46 = 43,166.22 : x
  2. Step 2: Convert to fraction form
    69,851.46/104,802.46 = 43,166.22/x
  3. Step 3: Cross multiply
    69,851.46x = 104,802.46 × 43,166.22
  4. Step 4: Simplify right side
    69,851.46x = 4,523,925,543.98
  5. Step 5: Solve for x
    x = 4,523,925,543.98/69,851.46
  6. Step 6: Final answer
    x = 64,764.94

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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.