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Finding the Fourth Proportional to 98,893.06, 136,473.08 and 53,571.04

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Solution

The fourth proportional to 98,893.06, 136,473.08 and 53,571.04 is: 73,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,893.06 : 136,473.08 = 53,571.04 : x
  2. Step 2: Convert to fraction form
    98,893.06/136,473.08 = 53,571.04/x
  3. Step 3: Cross multiply
    98,893.06x = 136,473.08 × 53,571.04
  4. Step 4: Simplify right side
    98,893.06x = 7,311,004,827.60
  5. Step 5: Solve for x
    x = 7,311,004,827.60/98,893.06
  6. Step 6: Final answer
    x = 73,928.39

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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.