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Finding the Fourth Proportional to 203,224.76, 304,837.17 and 84,831.52

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Solution

The fourth proportional to 203,224.76, 304,837.17 and 84,831.52 is: 127,247.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,224.76 : 304,837.17 = 84,831.52 : x
  2. Step 2: Convert to fraction form
    203,224.76/304,837.17 = 84,831.52/x
  3. Step 3: Cross multiply
    203,224.76x = 304,837.17 × 84,831.52
  4. Step 4: Simplify right side
    203,224.76x = 25,859,800,483.60
  5. Step 5: Solve for x
    x = 25,859,800,483.60/203,224.76
  6. Step 6: Final answer
    x = 127,247.29

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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.