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Finding the Fourth Proportional to 68,383.44, 102,341.70 and 57,302.64

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Solution

The fourth proportional to 68,383.44, 102,341.70 and 57,302.64 is: 85,758.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,383.44 : 102,341.70 = 57,302.64 : x
  2. Step 2: Convert to fraction form
    68,383.44/102,341.70 = 57,302.64/x
  3. Step 3: Cross multiply
    68,383.44x = 102,341.70 × 57,302.64
  4. Step 4: Simplify right side
    68,383.44x = 5,864,449,592.09
  5. Step 5: Solve for x
    x = 5,864,449,592.09/68,383.44
  6. Step 6: Final answer
    x = 85,758.33

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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.