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Finding the Fourth Proportional to 351,475.82, 527,104.68 and 126,807.04

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Solution

The fourth proportional to 351,475.82, 527,104.68 and 126,807.04 is: 190,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,475.82 : 527,104.68 = 126,807.04 : x
  2. Step 2: Convert to fraction form
    351,475.82/527,104.68 = 126,807.04/x
  3. Step 3: Cross multiply
    351,475.82x = 527,104.68 × 126,807.04
  4. Step 4: Simplify right side
    351,475.82x = 66,840,584,240.95
  5. Step 5: Solve for x
    x = 66,840,584,240.95/351,475.82
  6. Step 6: Final answer
    x = 190,171.22

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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.