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Finding the Fourth Proportional to 91,262.58, 125,941.02 and 50,976.90

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Solution

The fourth proportional to 91,262.58, 125,941.02 and 50,976.90 is: 70,347.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,262.58 : 125,941.02 = 50,976.90 : x
  2. Step 2: Convert to fraction form
    91,262.58/125,941.02 = 50,976.90/x
  3. Step 3: Cross multiply
    91,262.58x = 125,941.02 × 50,976.90
  4. Step 4: Simplify right side
    91,262.58x = 6,420,082,782.44
  5. Step 5: Solve for x
    x = 6,420,082,782.44/91,262.58
  6. Step 6: Final answer
    x = 70,347.37

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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.