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Finding the Fourth Proportional to 192,636.84, 265,864.02 and 107,771.40

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Solution

The fourth proportional to 192,636.84, 265,864.02 and 107,771.40 is: 148,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,636.84 : 265,864.02 = 107,771.40 : x
  2. Step 2: Convert to fraction form
    192,636.84/265,864.02 = 107,771.40/x
  3. Step 3: Cross multiply
    192,636.84x = 265,864.02 × 107,771.40
  4. Step 4: Simplify right side
    192,636.84x = 28,652,537,645.03
  5. Step 5: Solve for x
    x = 28,652,537,645.03/192,636.84
  6. Step 6: Final answer
    x = 148,738.62

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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.