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Finding the Fourth Proportional to 71,192.41, 98,245.98 and 39,362.44

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Solution

The fourth proportional to 71,192.41, 98,245.98 and 39,362.44 is: 54,320.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,192.41 : 98,245.98 = 39,362.44 : x
  2. Step 2: Convert to fraction form
    71,192.41/98,245.98 = 39,362.44/x
  3. Step 3: Cross multiply
    71,192.41x = 98,245.98 × 39,362.44
  4. Step 4: Simplify right side
    71,192.41x = 3,867,201,492.99
  5. Step 5: Solve for x
    x = 3,867,201,492.99/71,192.41
  6. Step 6: Final answer
    x = 54,320.42

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1.5x scale

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.