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Finding the Fourth Proportional to 357,912.69, 536,896.43 and 117,933.15

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Solution

The fourth proportional to 357,912.69, 536,896.43 and 117,933.15 is: 176,908.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,912.69 : 536,896.43 = 117,933.15 : x
  2. Step 2: Convert to fraction form
    357,912.69/536,896.43 = 117,933.15/x
  3. Step 3: Cross multiply
    357,912.69x = 536,896.43 × 117,933.15
  4. Step 4: Simplify right side
    357,912.69x = 63,317,886,623.99
  5. Step 5: Solve for x
    x = 63,317,886,623.99/357,912.69
  6. Step 6: Final answer
    x = 176,908.75

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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.