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Finding the Fourth Proportional to 536,196.36, 804,294.09 and 136,837.20

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Solution

The fourth proportional to 536,196.36, 804,294.09 and 136,837.20 is: 205,255.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,196.36 : 804,294.09 = 136,837.20 : x
  2. Step 2: Convert to fraction form
    536,196.36/804,294.09 = 136,837.20/x
  3. Step 3: Cross multiply
    536,196.36x = 804,294.09 × 136,837.20
  4. Step 4: Simplify right side
    536,196.36x = 110,057,351,252.15
  5. Step 5: Solve for x
    x = 110,057,351,252.15/536,196.36
  6. Step 6: Final answer
    x = 205,255.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.