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Finding the Fourth Proportional to 58,090.67, 86,966.74 and 43,163.94

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Solution

The fourth proportional to 58,090.67, 86,966.74 and 43,163.94 is: 64,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,090.67 : 86,966.74 = 43,163.94 : x
  2. Step 2: Convert to fraction form
    58,090.67/86,966.74 = 43,163.94/x
  3. Step 3: Cross multiply
    58,090.67x = 86,966.74 × 43,163.94
  4. Step 4: Simplify right side
    58,090.67x = 3,753,827,147.36
  5. Step 5: Solve for x
    x = 3,753,827,147.36/58,090.67
  6. Step 6: Final answer
    x = 64,620.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.