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Finding the Fourth Proportional to 350,610.12, 525,915.15 and 84,370.67

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Solution

The fourth proportional to 350,610.12, 525,915.15 and 84,370.67 is: 126,556.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,610.12 : 525,915.15 = 84,370.67 : x
  2. Step 2: Convert to fraction form
    350,610.12/525,915.15 = 84,370.67/x
  3. Step 3: Cross multiply
    350,610.12x = 525,915.15 × 84,370.67
  4. Step 4: Simplify right side
    350,610.12x = 44,371,813,568.65
  5. Step 5: Solve for x
    x = 44,371,813,568.65/350,610.12
  6. Step 6: Final answer
    x = 126,556.00

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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.