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Finding the Fourth Proportional to 63,195.12, 87,208.72 and 34,899.04

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Solution

The fourth proportional to 63,195.12, 87,208.72 and 34,899.04 is: 48,160.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,195.12 : 87,208.72 = 34,899.04 : x
  2. Step 2: Convert to fraction form
    63,195.12/87,208.72 = 34,899.04/x
  3. Step 3: Cross multiply
    63,195.12x = 87,208.72 × 34,899.04
  4. Step 4: Simplify right side
    63,195.12x = 3,043,500,607.63
  5. Step 5: Solve for x
    x = 3,043,500,607.63/63,195.12
  6. Step 6: Final answer
    x = 48,160.37

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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.