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Finding the Fourth Proportional to 63,873.21, 88,145.04 and 37,031.30

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Solution

The fourth proportional to 63,873.21, 88,145.04 and 37,031.30 is: 51,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,873.21 : 88,145.04 = 37,031.30 : x
  2. Step 2: Convert to fraction form
    63,873.21/88,145.04 = 37,031.30/x
  3. Step 3: Cross multiply
    63,873.21x = 88,145.04 × 37,031.30
  4. Step 4: Simplify right side
    63,873.21x = 3,264,125,419.75
  5. Step 5: Solve for x
    x = 3,264,125,419.75/63,873.21
  6. Step 6: Final answer
    x = 51,103.20

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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.