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Finding the Fourth Proportional to 350,294.18, 525,515.13 and 113,618.43

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Solution

The fourth proportional to 350,294.18, 525,515.13 and 113,618.43 is: 170,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,294.18 : 525,515.13 = 113,618.43 : x
  2. Step 2: Convert to fraction form
    350,294.18/525,515.13 = 113,618.43/x
  3. Step 3: Cross multiply
    350,294.18x = 525,515.13 × 113,618.43
  4. Step 4: Simplify right side
    350,294.18x = 59,708,204,011.85
  5. Step 5: Solve for x
    x = 59,708,204,011.85/350,294.18
  6. Step 6: Final answer
    x = 170,451.60

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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.