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Finding the Fourth Proportional to 335,818.10, 503,724.09 and 136,091

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Solution

The fourth proportional to 335,818.10, 503,724.09 and 136,091 is: 204,135.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,818.10 : 503,724.09 = 136,091 : x
  2. Step 2: Convert to fraction form
    335,818.10/503,724.09 = 136,091/x
  3. Step 3: Cross multiply
    335,818.10x = 503,724.09 × 136,091
  4. Step 4: Simplify right side
    335,818.10x = 68,552,315,132.19
  5. Step 5: Solve for x
    x = 68,552,315,132.19/335,818.10
  6. Step 6: Final answer
    x = 204,135.26

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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.