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Finding the Fourth Proportional to 125,541.66, 188,324.90 and 41,267.64

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Solution

The fourth proportional to 125,541.66, 188,324.90 and 41,267.64 is: 61,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,541.66 : 188,324.90 = 41,267.64 : x
  2. Step 2: Convert to fraction form
    125,541.66/188,324.90 = 41,267.64/x
  3. Step 3: Cross multiply
    125,541.66x = 188,324.90 × 41,267.64
  4. Step 4: Simplify right side
    125,541.66x = 7,771,724,205.30
  5. Step 5: Solve for x
    x = 7,771,724,205.30/125,541.66
  6. Step 6: Final answer
    x = 61,905.54

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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.