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Finding the Fourth Proportional to 79,985.98, 119,847.48 and 27,366.76

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Solution

The fourth proportional to 79,985.98, 119,847.48 and 27,366.76 is: 41,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,985.98 : 119,847.48 = 27,366.76 : x
  2. Step 2: Convert to fraction form
    79,985.98/119,847.48 = 27,366.76/x
  3. Step 3: Cross multiply
    79,985.98x = 119,847.48 × 27,366.76
  4. Step 4: Simplify right side
    79,985.98x = 3,279,837,221.76
  5. Step 5: Solve for x
    x = 3,279,837,221.76/79,985.98
  6. Step 6: Final answer
    x = 41,005.15

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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.