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Finding the Fourth Proportional to 63,871.81, 88,143.12 and 37,029.89

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Solution

The fourth proportional to 63,871.81, 88,143.12 and 37,029.89 is: 51,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,871.81 : 88,143.12 = 37,029.89 : x
  2. Step 2: Convert to fraction form
    63,871.81/88,143.12 = 37,029.89/x
  3. Step 3: Cross multiply
    63,871.81x = 88,143.12 × 37,029.89
  4. Step 4: Simplify right side
    63,871.81x = 3,263,930,258.21
  5. Step 5: Solve for x
    x = 3,263,930,258.21/63,871.81
  6. Step 6: Final answer
    x = 51,101.27

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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.