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Finding the Fourth Proportional to 192,076.56, 265,039.56 and 111,491.28

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Solution

The fourth proportional to 192,076.56, 265,039.56 and 111,491.28 is: 153,842.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,076.56 : 265,039.56 = 111,491.28 : x
  2. Step 2: Convert to fraction form
    192,076.56/265,039.56 = 111,491.28/x
  3. Step 3: Cross multiply
    192,076.56x = 265,039.56 × 111,491.28
  4. Step 4: Simplify right side
    192,076.56x = 29,549,599,795.04
  5. Step 5: Solve for x
    x = 29,549,599,795.04/192,076.56
  6. Step 6: Final answer
    x = 153,842.82

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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.