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Finding the Fourth Proportional to 98,185.25, 135,495.65 and 53,473.25

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Solution

The fourth proportional to 98,185.25, 135,495.65 and 53,473.25 is: 73,793.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,185.25 : 135,495.65 = 53,473.25 : x
  2. Step 2: Convert to fraction form
    98,185.25/135,495.65 = 53,473.25/x
  3. Step 3: Cross multiply
    98,185.25x = 135,495.65 × 53,473.25
  4. Step 4: Simplify right side
    98,185.25x = 7,245,392,499.00
  5. Step 5: Solve for x
    x = 7,245,392,499.00/98,185.25
  6. Step 6: Final answer
    x = 73,793.09

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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.