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Finding the Fourth Proportional to 202,997.36, 280,132.44 and 112,353.32

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Solution

The fourth proportional to 202,997.36, 280,132.44 and 112,353.32 is: 155,045.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,997.36 : 280,132.44 = 112,353.32 : x
  2. Step 2: Convert to fraction form
    202,997.36/280,132.44 = 112,353.32/x
  3. Step 3: Cross multiply
    202,997.36x = 280,132.44 × 112,353.32
  4. Step 4: Simplify right side
    202,997.36x = 31,473,809,673.70
  5. Step 5: Solve for x
    x = 31,473,809,673.70/202,997.36
  6. Step 6: Final answer
    x = 155,045.41

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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.