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Finding the Fourth Proportional to 71,393.04, 98,534.52 and 41,172.84

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Solution

The fourth proportional to 71,393.04, 98,534.52 and 41,172.84 is: 56,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,393.04 : 98,534.52 = 41,172.84 : x
  2. Step 2: Convert to fraction form
    71,393.04/98,534.52 = 41,172.84/x
  3. Step 3: Cross multiply
    71,393.04x = 98,534.52 × 41,172.84
  4. Step 4: Simplify right side
    71,393.04x = 4,056,946,026.44
  5. Step 5: Solve for x
    x = 4,056,946,026.44/71,393.04
  6. Step 6: Final answer
    x = 56,825.51

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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.