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Finding the Fourth Proportional to 58,105.86, 87,149.22 and 54,323.26

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Solution

The fourth proportional to 58,105.86, 87,149.22 and 54,323.26 is: 81,475.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,105.86 : 87,149.22 = 54,323.26 : x
  2. Step 2: Convert to fraction form
    58,105.86/87,149.22 = 54,323.26/x
  3. Step 3: Cross multiply
    58,105.86x = 87,149.22 × 54,323.26
  4. Step 4: Simplify right side
    58,105.86x = 4,734,229,315.27
  5. Step 5: Solve for x
    x = 4,734,229,315.27/58,105.86
  6. Step 6: Final answer
    x = 81,475.94

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1.5x scale

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.