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Finding the Fourth Proportional to 254,563.50, 351,304.92 and 141,393.54

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Solution

The fourth proportional to 254,563.50, 351,304.92 and 141,393.54 is: 195,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,563.50 : 351,304.92 = 141,393.54 : x
  2. Step 2: Convert to fraction form
    254,563.50/351,304.92 = 141,393.54/x
  3. Step 3: Cross multiply
    254,563.50x = 351,304.92 × 141,393.54
  4. Step 4: Simplify right side
    254,563.50x = 49,672,246,258.22
  5. Step 5: Solve for x
    x = 49,672,246,258.22/254,563.50
  6. Step 6: Final answer
    x = 195,127.13

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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.