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Finding the Fourth Proportional to 192,615.75, 265,810.77 and 107,732.79

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Solution

The fourth proportional to 192,615.75, 265,810.77 and 107,732.79 is: 148,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,615.75 : 265,810.77 = 107,732.79 : x
  2. Step 2: Convert to fraction form
    192,615.75/265,810.77 = 107,732.79/x
  3. Step 3: Cross multiply
    192,615.75x = 265,810.77 × 107,732.79
  4. Step 4: Simplify right side
    192,615.75x = 28,636,535,864.15
  5. Step 5: Solve for x
    x = 28,636,535,864.15/192,615.75
  6. Step 6: Final answer
    x = 148,671.83

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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.