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Finding the Fourth Proportional to 350,076.80, 525,244.80 and 113,427.20

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Solution

The fourth proportional to 350,076.80, 525,244.80 and 113,427.20 is: 170,182.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,076.80 : 525,244.80 = 113,427.20 : x
  2. Step 2: Convert to fraction form
    350,076.80/525,244.80 = 113,427.20/x
  3. Step 3: Cross multiply
    350,076.80x = 525,244.80 × 113,427.20
  4. Step 4: Simplify right side
    350,076.80x = 59,577,046,978.56
  5. Step 5: Solve for x
    x = 59,577,046,978.56/350,076.80
  6. Step 6: Final answer
    x = 170,182.79

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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.