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Finding the Fourth Proportional to 79,207.50, 109,356.03 and 50,962.26

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Solution

The fourth proportional to 79,207.50, 109,356.03 and 50,962.26 is: 70,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,207.50 : 109,356.03 = 50,962.26 : x
  2. Step 2: Convert to fraction form
    79,207.50/109,356.03 = 50,962.26/x
  3. Step 3: Cross multiply
    79,207.50x = 109,356.03 × 50,962.26
  4. Step 4: Simplify right side
    79,207.50x = 5,573,030,433.43
  5. Step 5: Solve for x
    x = 5,573,030,433.43/79,207.50
  6. Step 6: Final answer
    x = 70,359.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.