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Finding the Fourth Proportional to 168,193.87, 252,332.32 and 49,865.21

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Solution

The fourth proportional to 168,193.87, 252,332.32 and 49,865.21 is: 74,810.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,193.87 : 252,332.32 = 49,865.21 : x
  2. Step 2: Convert to fraction form
    168,193.87/252,332.32 = 49,865.21/x
  3. Step 3: Cross multiply
    168,193.87x = 252,332.32 × 49,865.21
  4. Step 4: Simplify right side
    168,193.87x = 12,582,604,126.59
  5. Step 5: Solve for x
    x = 12,582,604,126.59/168,193.87
  6. Step 6: Final answer
    x = 74,810.12

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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.