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Finding the Fourth Proportional to 250,103.28, 375,160.49 and 90,192.12

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Solution

The fourth proportional to 250,103.28, 375,160.49 and 90,192.12 is: 135,290.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,103.28 : 375,160.49 = 90,192.12 : x
  2. Step 2: Convert to fraction form
    250,103.28/375,160.49 = 90,192.12/x
  3. Step 3: Cross multiply
    250,103.28x = 375,160.49 × 90,192.12
  4. Step 4: Simplify right side
    250,103.28x = 33,836,519,933.34
  5. Step 5: Solve for x
    x = 33,836,519,933.34/250,103.28
  6. Step 6: Final answer
    x = 135,290.19

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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.