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Finding the Fourth Proportional to 365,709.63, 548,428.03 and 125,755.66

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Solution

The fourth proportional to 365,709.63, 548,428.03 and 125,755.66 is: 188,586.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,709.63 : 548,428.03 = 125,755.66 : x
  2. Step 2: Convert to fraction form
    365,709.63/548,428.03 = 125,755.66/x
  3. Step 3: Cross multiply
    365,709.63x = 548,428.03 × 125,755.66
  4. Step 4: Simplify right side
    365,709.63x = 68,967,926,868.76
  5. Step 5: Solve for x
    x = 68,967,926,868.76/365,709.63
  6. Step 6: Final answer
    x = 188,586.57

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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.