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Finding the Fourth Proportional to 168,258.72, 252,361.32 and 55,929.54

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Solution

The fourth proportional to 168,258.72, 252,361.32 and 55,929.54 is: 83,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,258.72 : 252,361.32 = 55,929.54 : x
  2. Step 2: Convert to fraction form
    168,258.72/252,361.32 = 55,929.54/x
  3. Step 3: Cross multiply
    168,258.72x = 252,361.32 × 55,929.54
  4. Step 4: Simplify right side
    168,258.72x = 14,114,452,541.39
  5. Step 5: Solve for x
    x = 14,114,452,541.39/168,258.72
  6. Step 6: Final answer
    x = 83,885.41

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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.