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Finding the Fourth Proportional to 80,038.60, 120,063.98 and 23,874.31

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Solution

The fourth proportional to 80,038.60, 120,063.98 and 23,874.31 is: 35,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,038.60 : 120,063.98 = 23,874.31 : x
  2. Step 2: Convert to fraction form
    80,038.60/120,063.98 = 23,874.31/x
  3. Step 3: Cross multiply
    80,038.60x = 120,063.98 × 23,874.31
  4. Step 4: Simplify right side
    80,038.60x = 2,866,444,678.35
  5. Step 5: Solve for x
    x = 2,866,444,678.35/80,038.60
  6. Step 6: Final answer
    x = 35,813.28

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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.