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Finding the Fourth Proportional to 350,450.85, 525,668.74 and 97,724.61

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Solution

The fourth proportional to 350,450.85, 525,668.74 and 97,724.61 is: 146,584.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,450.85 : 525,668.74 = 97,724.61 : x
  2. Step 2: Convert to fraction form
    350,450.85/525,668.74 = 97,724.61/x
  3. Step 3: Cross multiply
    350,450.85x = 525,668.74 × 97,724.61
  4. Step 4: Simplify right side
    350,450.85x = 51,370,772,361.38
  5. Step 5: Solve for x
    x = 51,370,772,361.38/350,450.85
  6. Step 6: Final answer
    x = 146,584.81

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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.