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Finding the Fourth Proportional to 71,448.56, 98,607.13 and 41,241.99

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Solution

The fourth proportional to 71,448.56, 98,607.13 and 41,241.99 is: 56,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,448.56 : 98,607.13 = 41,241.99 : x
  2. Step 2: Convert to fraction form
    71,448.56/98,607.13 = 41,241.99/x
  3. Step 3: Cross multiply
    71,448.56x = 98,607.13 × 41,241.99
  4. Step 4: Simplify right side
    71,448.56x = 4,066,754,536.06
  5. Step 5: Solve for x
    x = 4,066,754,536.06/71,448.56
  6. Step 6: Final answer
    x = 56,918.64

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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.