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Finding the Fourth Proportional to 71,102.77, 98,121.24 and 38,837.41

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Solution

The fourth proportional to 71,102.77, 98,121.24 and 38,837.41 is: 53,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,102.77 : 98,121.24 = 38,837.41 : x
  2. Step 2: Convert to fraction form
    71,102.77/98,121.24 = 38,837.41/x
  3. Step 3: Cross multiply
    71,102.77x = 98,121.24 × 38,837.41
  4. Step 4: Simplify right side
    71,102.77x = 3,810,774,827.59
  5. Step 5: Solve for x
    x = 3,810,774,827.59/71,102.77
  6. Step 6: Final answer
    x = 53,595.31

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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.