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Finding the Fourth Proportional to 71,104.77, 98,124 and 38,839.41

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Solution

The fourth proportional to 71,104.77, 98,124 and 38,839.41 is: 53,598.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,104.77 : 98,124 = 38,839.41 : x
  2. Step 2: Convert to fraction form
    71,104.77/98,124 = 38,839.41/x
  3. Step 3: Cross multiply
    71,104.77x = 98,124 × 38,839.41
  4. Step 4: Simplify right side
    71,104.77x = 3,811,078,266.84
  5. Step 5: Solve for x
    x = 3,811,078,266.84/71,104.77
  6. Step 6: Final answer
    x = 53,598.07

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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.