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Finding the Fourth Proportional to 204,039.70, 305,368.35 and 204,039.70

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Solution

The fourth proportional to 204,039.70, 305,368.35 and 204,039.70 is: 305,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,039.70 : 305,368.35 = 204,039.70 : x
  2. Step 2: Convert to fraction form
    204,039.70/305,368.35 = 204,039.70/x
  3. Step 3: Cross multiply
    204,039.70x = 305,368.35 × 204,039.70
  4. Step 4: Simplify right side
    204,039.70x = 62,307,266,523.50
  5. Step 5: Solve for x
    x = 62,307,266,523.50/204,039.70
  6. Step 6: Final answer
    x = 305,368.35

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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.