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Finding the Fourth Proportional to 192,490.29, 265,636.94 and 107,607.29

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Solution

The fourth proportional to 192,490.29, 265,636.94 and 107,607.29 is: 148,498.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,490.29 : 265,636.94 = 107,607.29 : x
  2. Step 2: Convert to fraction form
    192,490.29/265,636.94 = 107,607.29/x
  3. Step 3: Cross multiply
    192,490.29x = 265,636.94 × 107,607.29
  4. Step 4: Simplify right side
    192,490.29x = 28,584,469,371.07
  5. Step 5: Solve for x
    x = 28,584,469,371.07/192,490.29
  6. Step 6: Final answer
    x = 148,498.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.