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Finding the Fourth Proportional to 204,279.93, 306,706.95 and 104,511.69

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Solution

The fourth proportional to 204,279.93, 306,706.95 and 104,511.69 is: 156,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,279.93 : 306,706.95 = 104,511.69 : x
  2. Step 2: Convert to fraction form
    204,279.93/306,706.95 = 104,511.69/x
  3. Step 3: Cross multiply
    204,279.93x = 306,706.95 × 104,511.69
  4. Step 4: Simplify right side
    204,279.93x = 32,054,461,679.25
  5. Step 5: Solve for x
    x = 32,054,461,679.25/204,279.93
  6. Step 6: Final answer
    x = 156,914.40

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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.