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Finding the Fourth Proportional to 87,208.50, 130,813.98 and 24,879

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Solution

The fourth proportional to 87,208.50, 130,813.98 and 24,879 is: 37,318.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,208.50 : 130,813.98 = 24,879 : x
  2. Step 2: Convert to fraction form
    87,208.50/130,813.98 = 24,879/x
  3. Step 3: Cross multiply
    87,208.50x = 130,813.98 × 24,879
  4. Step 4: Simplify right side
    87,208.50x = 3,254,521,008.42
  5. Step 5: Solve for x
    x = 3,254,521,008.42/87,208.50
  6. Step 6: Final answer
    x = 37,318.85

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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.