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Finding the Fourth Proportional to 125,471.10, 188,213.96 and 35,506.27

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Solution

The fourth proportional to 125,471.10, 188,213.96 and 35,506.27 is: 53,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,471.10 : 188,213.96 = 35,506.27 : x
  2. Step 2: Convert to fraction form
    125,471.10/188,213.96 = 35,506.27/x
  3. Step 3: Cross multiply
    125,471.10x = 188,213.96 × 35,506.27
  4. Step 4: Simplify right side
    125,471.10x = 6,682,775,681.53
  5. Step 5: Solve for x
    x = 6,682,775,681.53/125,471.10
  6. Step 6: Final answer
    x = 53,261.47

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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.