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Finding the Fourth Proportional to 179,804.94, 248,122.41 and 103,270.20

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Solution

The fourth proportional to 179,804.94, 248,122.41 and 103,270.20 is: 142,508.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,804.94 : 248,122.41 = 103,270.20 : x
  2. Step 2: Convert to fraction form
    179,804.94/248,122.41 = 103,270.20/x
  3. Step 3: Cross multiply
    179,804.94x = 248,122.41 × 103,270.20
  4. Step 4: Simplify right side
    179,804.94x = 25,623,650,905.18
  5. Step 5: Solve for x
    x = 25,623,650,905.18/179,804.94
  6. Step 6: Final answer
    x = 142,508.05

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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.