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Finding the Fourth Proportional to 58,290.20, 87,305.70 and 50,514.20

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Solution

The fourth proportional to 58,290.20, 87,305.70 and 50,514.20 is: 75,658.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,290.20 : 87,305.70 = 50,514.20 : x
  2. Step 2: Convert to fraction form
    58,290.20/87,305.70 = 50,514.20/x
  3. Step 3: Cross multiply
    58,290.20x = 87,305.70 × 50,514.20
  4. Step 4: Simplify right side
    58,290.20x = 4,410,177,590.94
  5. Step 5: Solve for x
    x = 4,410,177,590.94/58,290.20
  6. Step 6: Final answer
    x = 75,658.99

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