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Finding the Fourth Proportional to 85,094.80, 127,447.80 and 50,102.80

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Solution

The fourth proportional to 85,094.80, 127,447.80 and 50,102.80 is: 75,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,094.80 : 127,447.80 = 50,102.80 : x
  2. Step 2: Convert to fraction form
    85,094.80/127,447.80 = 50,102.80/x
  3. Step 3: Cross multiply
    85,094.80x = 127,447.80 × 50,102.80
  4. Step 4: Simplify right side
    85,094.80x = 6,385,491,633.84
  5. Step 5: Solve for x
    x = 6,385,491,633.84/85,094.80
  6. Step 6: Final answer
    x = 75,039.74

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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.