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Finding the Fourth Proportional to 185,527.27, 277,919.92 and 85,550.59

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Solution

The fourth proportional to 185,527.27, 277,919.92 and 85,550.59 is: 128,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,527.27 : 277,919.92 = 85,550.59 : x
  2. Step 2: Convert to fraction form
    185,527.27/277,919.92 = 85,550.59/x
  3. Step 3: Cross multiply
    185,527.27x = 277,919.92 × 85,550.59
  4. Step 4: Simplify right side
    185,527.27x = 23,776,211,311.40
  5. Step 5: Solve for x
    x = 23,776,211,311.40/185,527.27
  6. Step 6: Final answer
    x = 128,154.81

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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.