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Finding the Fourth Proportional to 264,731.01, 397,145.72 and 87,250.49

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Solution

The fourth proportional to 264,731.01, 397,145.72 and 87,250.49 is: 130,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,731.01 : 397,145.72 = 87,250.49 : x
  2. Step 2: Convert to fraction form
    264,731.01/397,145.72 = 87,250.49/x
  3. Step 3: Cross multiply
    264,731.01x = 397,145.72 × 87,250.49
  4. Step 4: Simplify right side
    264,731.01x = 34,651,158,671.40
  5. Step 5: Solve for x
    x = 34,651,158,671.40/264,731.01
  6. Step 6: Final answer
    x = 130,891.95

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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.