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Finding the Fourth Proportional to 250,973.22, 376,228.80 and 108,729.12

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Solution

The fourth proportional to 250,973.22, 376,228.80 and 108,729.12 is: 162,993.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,973.22 : 376,228.80 = 108,729.12 : x
  2. Step 2: Convert to fraction form
    250,973.22/376,228.80 = 108,729.12/x
  3. Step 3: Cross multiply
    250,973.22x = 376,228.80 × 108,729.12
  4. Step 4: Simplify right side
    250,973.22x = 40,907,026,342.66
  5. Step 5: Solve for x
    x = 40,907,026,342.66/250,973.22
  6. Step 6: Final answer
    x = 162,993.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.