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Finding the Fourth Proportional to 350,521.20, 525,858.60 and 113,823.60

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Solution

The fourth proportional to 350,521.20, 525,858.60 and 113,823.60 is: 170,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,521.20 : 525,858.60 = 113,823.60 : x
  2. Step 2: Convert to fraction form
    350,521.20/525,858.60 = 113,823.60/x
  3. Step 3: Cross multiply
    350,521.20x = 525,858.60 × 113,823.60
  4. Step 4: Simplify right side
    350,521.20x = 59,855,118,942.96
  5. Step 5: Solve for x
    x = 59,855,118,942.96/350,521.20
  6. Step 6: Final answer
    x = 170,760.34

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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.