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Finding the Fourth Proportional to 81,204.87, 112,061.94 and 44,907.90

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Solution

The fourth proportional to 81,204.87, 112,061.94 and 44,907.90 is: 61,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,204.87 : 112,061.94 = 44,907.90 : x
  2. Step 2: Convert to fraction form
    81,204.87/112,061.94 = 44,907.90/x
  3. Step 3: Cross multiply
    81,204.87x = 112,061.94 × 44,907.90
  4. Step 4: Simplify right side
    81,204.87x = 5,032,466,395.33
  5. Step 5: Solve for x
    x = 5,032,466,395.33/81,204.87
  6. Step 6: Final answer
    x = 61,972.47

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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.