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Finding the Fourth Proportional to 172,283.76, 237,749.04 and 96,831.72

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Solution

The fourth proportional to 172,283.76, 237,749.04 and 96,831.72 is: 133,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,283.76 : 237,749.04 = 96,831.72 : x
  2. Step 2: Convert to fraction form
    172,283.76/237,749.04 = 96,831.72/x
  3. Step 3: Cross multiply
    172,283.76x = 237,749.04 × 96,831.72
  4. Step 4: Simplify right side
    172,283.76x = 23,021,648,471.55
  5. Step 5: Solve for x
    x = 23,021,648,471.55/172,283.76
  6. Step 6: Final answer
    x = 133,626.34

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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.