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Finding the Fourth Proportional to 58,107.67, 87,208.21 and 30,035.96

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Solution

The fourth proportional to 58,107.67, 87,208.21 and 30,035.96 is: 45,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,107.67 : 87,208.21 = 30,035.96 : x
  2. Step 2: Convert to fraction form
    58,107.67/87,208.21 = 30,035.96/x
  3. Step 3: Cross multiply
    58,107.67x = 87,208.21 × 30,035.96
  4. Step 4: Simplify right side
    58,107.67x = 2,619,381,796.10
  5. Step 5: Solve for x
    x = 2,619,381,796.10/58,107.67
  6. Step 6: Final answer
    x = 45,078.08

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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.