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Finding the Fourth Proportional to 192,308.33, 265,401 and 106,274.88

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Solution

The fourth proportional to 192,308.33, 265,401 and 106,274.88 is: 146,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,308.33 : 265,401 = 106,274.88 : x
  2. Step 2: Convert to fraction form
    192,308.33/265,401 = 106,274.88/x
  3. Step 3: Cross multiply
    192,308.33x = 265,401 × 106,274.88
  4. Step 4: Simplify right side
    192,308.33x = 28,205,459,426.88
  5. Step 5: Solve for x
    x = 28,205,459,426.88/192,308.33
  6. Step 6: Final answer
    x = 146,667.91

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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.