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Finding the Fourth Proportional to 144,585.99, 199,528.61 and 80,923.77

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Solution

The fourth proportional to 144,585.99, 199,528.61 and 80,923.77 is: 111,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,585.99 : 199,528.61 = 80,923.77 : x
  2. Step 2: Convert to fraction form
    144,585.99/199,528.61 = 80,923.77/x
  3. Step 3: Cross multiply
    144,585.99x = 199,528.61 × 80,923.77
  4. Step 4: Simplify right side
    144,585.99x = 16,146,606,939.44
  5. Step 5: Solve for x
    x = 16,146,606,939.44/144,585.99
  6. Step 6: Final answer
    x = 111,674.77

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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.