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Finding the Fourth Proportional to 300,951.16, 451,295.49 and 113,831.44

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Solution

The fourth proportional to 300,951.16, 451,295.49 and 113,831.44 is: 170,697.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,951.16 : 451,295.49 = 113,831.44 : x
  2. Step 2: Convert to fraction form
    300,951.16/451,295.49 = 113,831.44/x
  3. Step 3: Cross multiply
    300,951.16x = 451,295.49 × 113,831.44
  4. Step 4: Simplify right side
    300,951.16x = 51,371,615,492.21
  5. Step 5: Solve for x
    x = 51,371,615,492.21/300,951.16
  6. Step 6: Final answer
    x = 170,697.52

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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.