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Finding the Fourth Proportional to 90,953.70, 125,525.34 and 50,674.02

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Solution

The fourth proportional to 90,953.70, 125,525.34 and 50,674.02 is: 69,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,953.70 : 125,525.34 = 50,674.02 : x
  2. Step 2: Convert to fraction form
    90,953.70/125,525.34 = 50,674.02/x
  3. Step 3: Cross multiply
    90,953.70x = 125,525.34 × 50,674.02
  4. Step 4: Simplify right side
    90,953.70x = 6,360,873,589.67
  5. Step 5: Solve for x
    x = 6,360,873,589.67/90,953.70
  6. Step 6: Final answer
    x = 69,935.29

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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.