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Finding the Fourth Proportional to 168,283.63, 252,351.42 and 63,028.78

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Solution

The fourth proportional to 168,283.63, 252,351.42 and 63,028.78 is: 94,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,283.63 : 252,351.42 = 63,028.78 : x
  2. Step 2: Convert to fraction form
    168,283.63/252,351.42 = 63,028.78/x
  3. Step 3: Cross multiply
    168,283.63x = 252,351.42 × 63,028.78
  4. Step 4: Simplify right side
    168,283.63x = 15,905,402,133.87
  5. Step 5: Solve for x
    x = 15,905,402,133.87/168,283.63
  6. Step 6: Final answer
    x = 94,515.44

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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.