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Finding the Fourth Proportional to 181,889.94, 251,010.71 and 104,378.21

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Solution

The fourth proportional to 181,889.94, 251,010.71 and 104,378.21 is: 144,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,889.94 : 251,010.71 = 104,378.21 : x
  2. Step 2: Convert to fraction form
    181,889.94/251,010.71 = 104,378.21/x
  3. Step 3: Cross multiply
    181,889.94x = 251,010.71 × 104,378.21
  4. Step 4: Simplify right side
    181,889.94x = 26,200,049,568.33
  5. Step 5: Solve for x
    x = 26,200,049,568.33/181,889.94
  6. Step 6: Final answer
    x = 144,043.42

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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.