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Finding the Fourth Proportional to 80,243.54, 110,735.31 and 46,239.53

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Solution

The fourth proportional to 80,243.54, 110,735.31 and 46,239.53 is: 63,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,243.54 : 110,735.31 = 46,239.53 : x
  2. Step 2: Convert to fraction form
    80,243.54/110,735.31 = 46,239.53/x
  3. Step 3: Cross multiply
    80,243.54x = 110,735.31 × 46,239.53
  4. Step 4: Simplify right side
    80,243.54x = 5,120,348,688.80
  5. Step 5: Solve for x
    x = 5,120,348,688.80/80,243.54
  6. Step 6: Final answer
    x = 63,810.10

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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.