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Finding the Fourth Proportional to 96,900.87, 133,734.29 and 53,884.65

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Solution

The fourth proportional to 96,900.87, 133,734.29 and 53,884.65 is: 74,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,900.87 : 133,734.29 = 53,884.65 : x
  2. Step 2: Convert to fraction form
    96,900.87/133,734.29 = 53,884.65/x
  3. Step 3: Cross multiply
    96,900.87x = 133,734.29 × 53,884.65
  4. Step 4: Simplify right side
    96,900.87x = 7,206,225,409.65
  5. Step 5: Solve for x
    x = 7,206,225,409.65/96,900.87
  6. Step 6: Final answer
    x = 74,366.98

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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.