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Finding the Fourth Proportional to 96,898.87, 133,731.53 and 53,882.65

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Solution

The fourth proportional to 96,898.87, 133,731.53 and 53,882.65 is: 74,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,898.87 : 133,731.53 = 53,882.65 : x
  2. Step 2: Convert to fraction form
    96,898.87/133,731.53 = 53,882.65/x
  3. Step 3: Cross multiply
    96,898.87x = 133,731.53 × 53,882.65
  4. Step 4: Simplify right side
    96,898.87x = 7,205,809,224.95
  5. Step 5: Solve for x
    x = 7,205,809,224.95/96,898.87
  6. Step 6: Final answer
    x = 74,364.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.