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Finding the Fourth Proportional to 184,480.80, 276,721.20 and 109,831.20

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Solution

The fourth proportional to 184,480.80, 276,721.20 and 109,831.20 is: 164,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,480.80 : 276,721.20 = 109,831.20 : x
  2. Step 2: Convert to fraction form
    184,480.80/276,721.20 = 109,831.20/x
  3. Step 3: Cross multiply
    184,480.80x = 276,721.20 × 109,831.20
  4. Step 4: Simplify right side
    184,480.80x = 30,392,621,461.44
  5. Step 5: Solve for x
    x = 30,392,621,461.44/184,480.80
  6. Step 6: Final answer
    x = 164,746.80

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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.