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Finding the Fourth Proportional to 91,259.99, 125,937.44 and 50,974.34

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Solution

The fourth proportional to 91,259.99, 125,937.44 and 50,974.34 is: 70,343.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,259.99 : 125,937.44 = 50,974.34 : x
  2. Step 2: Convert to fraction form
    91,259.99/125,937.44 = 50,974.34/x
  3. Step 3: Cross multiply
    91,259.99x = 125,937.44 × 50,974.34
  4. Step 4: Simplify right side
    91,259.99x = 6,419,577,885.29
  5. Step 5: Solve for x
    x = 6,419,577,885.29/91,259.99
  6. Step 6: Final answer
    x = 70,343.84

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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.