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Finding the Fourth Proportional to 350,343.11, 525,514.64 and 84,103.62

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Solution

The fourth proportional to 350,343.11, 525,514.64 and 84,103.62 is: 126,155.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,343.11 : 525,514.64 = 84,103.62 : x
  2. Step 2: Convert to fraction form
    350,343.11/525,514.64 = 84,103.62/x
  3. Step 3: Cross multiply
    350,343.11x = 525,514.64 × 84,103.62
  4. Step 4: Simplify right side
    350,343.11x = 44,197,681,195.80
  5. Step 5: Solve for x
    x = 44,197,681,195.80/350,343.11
  6. Step 6: Final answer
    x = 126,155.42

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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.