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Finding the Fourth Proportional to 144,586.71, 199,527.71 and 80,924.49

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Solution

The fourth proportional to 144,586.71, 199,527.71 and 80,924.49 is: 111,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,586.71 : 199,527.71 = 80,924.49 : x
  2. Step 2: Convert to fraction form
    144,586.71/199,527.71 = 80,924.49/x
  3. Step 3: Cross multiply
    144,586.71x = 199,527.71 × 80,924.49
  4. Step 4: Simplify right side
    144,586.71x = 16,146,677,768.00
  5. Step 5: Solve for x
    x = 16,146,677,768.00/144,586.71
  6. Step 6: Final answer
    x = 111,674.70

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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.