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Finding the Fourth Proportional to 351,736.32, 527,599.71 and 85,496.04

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Solution

The fourth proportional to 351,736.32, 527,599.71 and 85,496.04 is: 128,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,736.32 : 527,599.71 = 85,496.04 : x
  2. Step 2: Convert to fraction form
    351,736.32/527,599.71 = 85,496.04/x
  3. Step 3: Cross multiply
    351,736.32x = 527,599.71 × 85,496.04
  4. Step 4: Simplify right side
    351,736.32x = 45,107,685,910.15
  5. Step 5: Solve for x
    x = 45,107,685,910.15/351,736.32
  6. Step 6: Final answer
    x = 128,242.90

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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.