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Finding the Fourth Proportional to 79,599.88, 109,898.26 and 49,417.23

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Solution

The fourth proportional to 79,599.88, 109,898.26 and 49,417.23 is: 68,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,599.88 : 109,898.26 = 49,417.23 : x
  2. Step 2: Convert to fraction form
    79,599.88/109,898.26 = 49,417.23/x
  3. Step 3: Cross multiply
    79,599.88x = 109,898.26 × 49,417.23
  4. Step 4: Simplify right side
    79,599.88x = 5,430,867,400.40
  5. Step 5: Solve for x
    x = 5,430,867,400.40/79,599.88
  6. Step 6: Final answer
    x = 68,227.08

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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.