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Finding the Fourth Proportional to 248,059.94, 371,868.37 and 90,177.17

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Solution

The fourth proportional to 248,059.94, 371,868.37 and 90,177.17 is: 135,185.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,059.94 : 371,868.37 = 90,177.17 : x
  2. Step 2: Convert to fraction form
    248,059.94/371,868.37 = 90,177.17/x
  3. Step 3: Cross multiply
    248,059.94x = 371,868.37 × 90,177.17
  4. Step 4: Simplify right side
    248,059.94x = 33,534,035,134.33
  5. Step 5: Solve for x
    x = 33,534,035,134.33/248,059.94
  6. Step 6: Final answer
    x = 135,185.21

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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.