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Finding the Fourth Proportional to 59,138.72, 88,675.25 and 19,674.29

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Solution

The fourth proportional to 59,138.72, 88,675.25 and 19,674.29 is: 29,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,138.72 : 88,675.25 = 19,674.29 : x
  2. Step 2: Convert to fraction form
    59,138.72/88,675.25 = 19,674.29/x
  3. Step 3: Cross multiply
    59,138.72x = 88,675.25 × 19,674.29
  4. Step 4: Simplify right side
    59,138.72x = 1,744,622,190.13
  5. Step 5: Solve for x
    x = 1,744,622,190.13/59,138.72
  6. Step 6: Final answer
    x = 29,500.51

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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.