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Finding the Fourth Proportional to 63,147.56, 87,143.02 and 34,852.64

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Solution

The fourth proportional to 63,147.56, 87,143.02 and 34,852.64 is: 48,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,147.56 : 87,143.02 = 34,852.64 : x
  2. Step 2: Convert to fraction form
    63,147.56/87,143.02 = 34,852.64/x
  3. Step 3: Cross multiply
    63,147.56x = 87,143.02 × 34,852.64
  4. Step 4: Simplify right side
    63,147.56x = 3,037,164,304.57
  5. Step 5: Solve for x
    x = 3,037,164,304.57/63,147.56
  6. Step 6: Final answer
    x = 48,096.30

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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.