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Finding the Fourth Proportional to 204,702.59, 307,054.19 and 104,808.33

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Solution

The fourth proportional to 204,702.59, 307,054.19 and 104,808.33 is: 157,212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,702.59 : 307,054.19 = 104,808.33 : x
  2. Step 2: Convert to fraction form
    204,702.59/307,054.19 = 104,808.33/x
  3. Step 3: Cross multiply
    204,702.59x = 307,054.19 × 104,808.33
  4. Step 4: Simplify right side
    204,702.59x = 32,181,837,135.42
  5. Step 5: Solve for x
    x = 32,181,837,135.42/204,702.59
  6. Step 6: Final answer
    x = 157,212.65

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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.