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Finding the Fourth Proportional to 350,745.60, 525,772.80 and 173,107.20

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Solution

The fourth proportional to 350,745.60, 525,772.80 and 173,107.20 is: 259,490.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,745.60 : 525,772.80 = 173,107.20 : x
  2. Step 2: Convert to fraction form
    350,745.60/525,772.80 = 173,107.20/x
  3. Step 3: Cross multiply
    350,745.60x = 525,772.80 × 173,107.20
  4. Step 4: Simplify right side
    350,745.60x = 91,015,057,244.16
  5. Step 5: Solve for x
    x = 91,015,057,244.16/350,745.60
  6. Step 6: Final answer
    x = 259,490.23

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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.