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Finding the Fourth Proportional to 99,651.09, 149,497.94 and 36,470.94

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Solution

The fourth proportional to 99,651.09, 149,497.94 and 36,470.94 is: 54,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,651.09 : 149,497.94 = 36,470.94 : x
  2. Step 2: Convert to fraction form
    99,651.09/149,497.94 = 36,470.94/x
  3. Step 3: Cross multiply
    99,651.09x = 149,497.94 × 36,470.94
  4. Step 4: Simplify right side
    99,651.09x = 5,452,330,399.86
  5. Step 5: Solve for x
    x = 5,452,330,399.86/99,651.09
  6. Step 6: Final answer
    x = 54,714.21

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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.