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Finding the Fourth Proportional to 79,666.50, 119,499.72 and 29,750.49

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Solution

The fourth proportional to 79,666.50, 119,499.72 and 29,750.49 is: 44,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,666.50 : 119,499.72 = 29,750.49 : x
  2. Step 2: Convert to fraction form
    79,666.50/119,499.72 = 29,750.49/x
  3. Step 3: Cross multiply
    79,666.50x = 119,499.72 × 29,750.49
  4. Step 4: Simplify right side
    79,666.50x = 3,555,175,224.86
  5. Step 5: Solve for x
    x = 3,555,175,224.86/79,666.50
  6. Step 6: Final answer
    x = 44,625.72

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Similar ratio
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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.