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Finding the Fourth Proportional to 125,666.94, 188,526.82 and 36,912.98

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Solution

The fourth proportional to 125,666.94, 188,526.82 and 36,912.98 is: 55,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,666.94 : 188,526.82 = 36,912.98 : x
  2. Step 2: Convert to fraction form
    125,666.94/188,526.82 = 36,912.98/x
  3. Step 3: Cross multiply
    125,666.94x = 188,526.82 × 36,912.98
  4. Step 4: Simplify right side
    125,666.94x = 6,959,086,736.12
  5. Step 5: Solve for x
    x = 6,959,086,736.12/125,666.94
  6. Step 6: Final answer
    x = 55,377.23

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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.