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Finding the Fourth Proportional to 71,797.55, 99,089.90 and 41,182.58

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Solution

The fourth proportional to 71,797.55, 99,089.90 and 41,182.58 is: 56,837.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,797.55 : 99,089.90 = 41,182.58 : x
  2. Step 2: Convert to fraction form
    71,797.55/99,089.90 = 41,182.58/x
  3. Step 3: Cross multiply
    71,797.55x = 99,089.90 × 41,182.58
  4. Step 4: Simplify right side
    71,797.55x = 4,080,777,032.58
  5. Step 5: Solve for x
    x = 4,080,777,032.58/71,797.55
  6. Step 6: Final answer
    x = 56,837.28

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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.