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Finding the Fourth Proportional to 250,107.94, 374,932.02 and 90,144.72

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Solution

The fourth proportional to 250,107.94, 374,932.02 and 90,144.72 is: 135,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,107.94 : 374,932.02 = 90,144.72 : x
  2. Step 2: Convert to fraction form
    250,107.94/374,932.02 = 90,144.72/x
  3. Step 3: Cross multiply
    250,107.94x = 374,932.02 × 90,144.72
  4. Step 4: Simplify right side
    250,107.94x = 33,798,143,955.20
  5. Step 5: Solve for x
    x = 33,798,143,955.20/250,107.94
  6. Step 6: Final answer
    x = 135,134.23

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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.