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Finding the Fourth Proportional to 92,817.27, 128,087.80 and 50,375.80

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Solution

The fourth proportional to 92,817.27, 128,087.80 and 50,375.80 is: 69,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,817.27 : 128,087.80 = 50,375.80 : x
  2. Step 2: Convert to fraction form
    92,817.27/128,087.80 = 50,375.80/x
  3. Step 3: Cross multiply
    92,817.27x = 128,087.80 × 50,375.80
  4. Step 4: Simplify right side
    92,817.27x = 6,452,525,395.24
  5. Step 5: Solve for x
    x = 6,452,525,395.24/92,817.27
  6. Step 6: Final answer
    x = 69,518.59

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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.