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Finding the Fourth Proportional to 350,485.80, 525,858.30 and 113,836.20

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Solution

The fourth proportional to 350,485.80, 525,858.30 and 113,836.20 is: 170,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,485.80 : 525,858.30 = 113,836.20 : x
  2. Step 2: Convert to fraction form
    350,485.80/525,858.30 = 113,836.20/x
  3. Step 3: Cross multiply
    350,485.80x = 525,858.30 × 113,836.20
  4. Step 4: Simplify right side
    350,485.80x = 59,861,710,610.46
  5. Step 5: Solve for x
    x = 59,861,710,610.46/350,485.80
  6. Step 6: Final answer
    x = 170,796.39

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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.