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Finding the Fourth Proportional to 59,234.80, 88,900.80 and 57,290.80

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Solution

The fourth proportional to 59,234.80, 88,900.80 and 57,290.80 is: 85,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,234.80 : 88,900.80 = 57,290.80 : x
  2. Step 2: Convert to fraction form
    59,234.80/88,900.80 = 57,290.80/x
  3. Step 3: Cross multiply
    59,234.80x = 88,900.80 × 57,290.80
  4. Step 4: Simplify right side
    59,234.80x = 5,093,197,952.64
  5. Step 5: Solve for x
    x = 5,093,197,952.64/59,234.80
  6. Step 6: Final answer
    x = 85,983.21

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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.