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Finding the Fourth Proportional to 231,270.93, 346,863.95 and 104,880.79

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Solution

The fourth proportional to 231,270.93, 346,863.95 and 104,880.79 is: 157,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,270.93 : 346,863.95 = 104,880.79 : x
  2. Step 2: Convert to fraction form
    231,270.93/346,863.95 = 104,880.79/x
  3. Step 3: Cross multiply
    231,270.93x = 346,863.95 × 104,880.79
  4. Step 4: Simplify right side
    231,270.93x = 36,379,365,098.52
  5. Step 5: Solve for x
    x = 36,379,365,098.52/231,270.93
  6. Step 6: Final answer
    x = 157,301.94

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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.