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Finding the Fourth Proportional to 181,568.40, 250,571.52 and 109,907.88

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Solution

The fourth proportional to 181,568.40, 250,571.52 and 109,907.88 is: 151,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,568.40 : 250,571.52 = 109,907.88 : x
  2. Step 2: Convert to fraction form
    181,568.40/250,571.52 = 109,907.88/x
  3. Step 3: Cross multiply
    181,568.40x = 250,571.52 × 109,907.88
  4. Step 4: Simplify right side
    181,568.40x = 27,539,784,551.58
  5. Step 5: Solve for x
    x = 27,539,784,551.58/181,568.40
  6. Step 6: Final answer
    x = 151,677.19

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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.