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Finding the Fourth Proportional to 90,797.94, 125,297.15 and 50,508.54

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Solution

The fourth proportional to 90,797.94, 125,297.15 and 50,508.54 is: 69,699.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,797.94 : 125,297.15 = 50,508.54 : x
  2. Step 2: Convert to fraction form
    90,797.94/125,297.15 = 50,508.54/x
  3. Step 3: Cross multiply
    90,797.94x = 125,297.15 × 50,508.54
  4. Step 4: Simplify right side
    90,797.94x = 6,328,575,860.12
  5. Step 5: Solve for x
    x = 6,328,575,860.12/90,797.94
  6. Step 6: Final answer
    x = 69,699.55

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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.