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Finding the Fourth Proportional to 192,699.41, 265,902.98 and 111,039.57

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Solution

The fourth proportional to 192,699.41, 265,902.98 and 111,039.57 is: 153,221.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,699.41 : 265,902.98 = 111,039.57 : x
  2. Step 2: Convert to fraction form
    192,699.41/265,902.98 = 111,039.57/x
  3. Step 3: Cross multiply
    192,699.41x = 265,902.98 × 111,039.57
  4. Step 4: Simplify right side
    192,699.41x = 29,525,752,005.72
  5. Step 5: Solve for x
    x = 29,525,752,005.72/192,699.41
  6. Step 6: Final answer
    x = 153,221.81

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1.5x scale

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.