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Finding the Fourth Proportional to 80,051.58, 120,090.42 and 24,647.58

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Solution

The fourth proportional to 80,051.58, 120,090.42 and 24,647.58 is: 36,975.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,051.58 : 120,090.42 = 24,647.58 : x
  2. Step 2: Convert to fraction form
    80,051.58/120,090.42 = 24,647.58/x
  3. Step 3: Cross multiply
    80,051.58x = 120,090.42 × 24,647.58
  4. Step 4: Simplify right side
    80,051.58x = 2,959,938,234.18
  5. Step 5: Solve for x
    x = 2,959,938,234.18/80,051.58
  6. Step 6: Final answer
    x = 36,975.39

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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.