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Finding the Fourth Proportional to 71,599.80, 98,825.59 and 41,402.54

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Solution

The fourth proportional to 71,599.80, 98,825.59 and 41,402.54 is: 57,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,599.80 : 98,825.59 = 41,402.54 : x
  2. Step 2: Convert to fraction form
    71,599.80/98,825.59 = 41,402.54/x
  3. Step 3: Cross multiply
    71,599.80x = 98,825.59 × 41,402.54
  4. Step 4: Simplify right side
    71,599.80x = 4,091,630,443.00
  5. Step 5: Solve for x
    x = 4,091,630,443.00/71,599.80
  6. Step 6: Final answer
    x = 57,145.84

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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.