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Finding the Fourth Proportional to 84,873.40, 117,112.32 and 49,056.52

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Solution

The fourth proportional to 84,873.40, 117,112.32 and 49,056.52 is: 67,690.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,873.40 : 117,112.32 = 49,056.52 : x
  2. Step 2: Convert to fraction form
    84,873.40/117,112.32 = 49,056.52/x
  3. Step 3: Cross multiply
    84,873.40x = 117,112.32 × 49,056.52
  4. Step 4: Simplify right side
    84,873.40x = 5,745,122,868.33
  5. Step 5: Solve for x
    x = 5,745,122,868.33/84,873.40
  6. Step 6: Final answer
    x = 67,690.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.