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Finding the Fourth Proportional to 203,216.73, 304,834.82 and 98,124.09

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Solution

The fourth proportional to 203,216.73, 304,834.82 and 98,124.09 is: 147,190.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,216.73 : 304,834.82 = 98,124.09 : x
  2. Step 2: Convert to fraction form
    203,216.73/304,834.82 = 98,124.09/x
  3. Step 3: Cross multiply
    203,216.73x = 304,834.82 × 98,124.09
  4. Step 4: Simplify right side
    203,216.73x = 29,911,638,822.19
  5. Step 5: Solve for x
    x = 29,911,638,822.19/203,216.73
  6. Step 6: Final answer
    x = 147,190.83

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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.