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Finding the Fourth Proportional to 79,817.67, 110,139.95 and 44,005.55

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Solution

The fourth proportional to 79,817.67, 110,139.95 and 44,005.55 is: 60,723.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,817.67 : 110,139.95 = 44,005.55 : x
  2. Step 2: Convert to fraction form
    79,817.67/110,139.95 = 44,005.55/x
  3. Step 3: Cross multiply
    79,817.67x = 110,139.95 × 44,005.55
  4. Step 4: Simplify right side
    79,817.67x = 4,846,768,636.04
  5. Step 5: Solve for x
    x = 4,846,768,636.04/79,817.67
  6. Step 6: Final answer
    x = 60,723.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.