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Finding the Fourth Proportional to 183,517.54, 253,253.79 and 101,858.30

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Solution

The fourth proportional to 183,517.54, 253,253.79 and 101,858.30 is: 140,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,517.54 : 253,253.79 = 101,858.30 : x
  2. Step 2: Convert to fraction form
    183,517.54/253,253.79 = 101,858.30/x
  3. Step 3: Cross multiply
    183,517.54x = 253,253.79 × 101,858.30
  4. Step 4: Simplify right side
    183,517.54x = 25,796,000,517.96
  5. Step 5: Solve for x
    x = 25,796,000,517.96/183,517.54
  6. Step 6: Final answer
    x = 140,564.22

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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.