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Finding the Fourth Proportional to 73,898.53, 101,241.36 and 71,131.01

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Solution

The fourth proportional to 73,898.53, 101,241.36 and 71,131.01 is: 97,449.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,898.53 : 101,241.36 = 71,131.01 : x
  2. Step 2: Convert to fraction form
    73,898.53/101,241.36 = 71,131.01/x
  3. Step 3: Cross multiply
    73,898.53x = 101,241.36 × 71,131.01
  4. Step 4: Simplify right side
    73,898.53x = 7,201,399,953.77
  5. Step 5: Solve for x
    x = 7,201,399,953.77/73,898.53
  6. Step 6: Final answer
    x = 97,449.84

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.