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Finding the Fourth Proportional to 100,410.94, 150,526.92 and 38,125.18

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Solution

The fourth proportional to 100,410.94, 150,526.92 and 38,125.18 is: 57,153.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,410.94 : 150,526.92 = 38,125.18 : x
  2. Step 2: Convert to fraction form
    100,410.94/150,526.92 = 38,125.18/x
  3. Step 3: Cross multiply
    100,410.94x = 150,526.92 × 38,125.18
  4. Step 4: Simplify right side
    100,410.94x = 5,738,865,919.85
  5. Step 5: Solve for x
    x = 5,738,865,919.85/100,410.94
  6. Step 6: Final answer
    x = 57,153.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.