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Finding the Fourth Proportional to 79,524.98, 119,291.12 and 56,255.30

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Solution

The fourth proportional to 79,524.98, 119,291.12 and 56,255.30 is: 84,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,524.98 : 119,291.12 = 56,255.30 : x
  2. Step 2: Convert to fraction form
    79,524.98/119,291.12 = 56,255.30/x
  3. Step 3: Cross multiply
    79,524.98x = 119,291.12 × 56,255.30
  4. Step 4: Simplify right side
    79,524.98x = 6,710,757,742.94
  5. Step 5: Solve for x
    x = 6,710,757,742.94/79,524.98
  6. Step 6: Final answer
    x = 84,385.53

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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.