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Finding the Fourth Proportional to 63,194.42, 87,207.09 and 34,899.50

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Solution

The fourth proportional to 63,194.42, 87,207.09 and 34,899.50 is: 48,160.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,194.42 : 87,207.09 = 34,899.50 : x
  2. Step 2: Convert to fraction form
    63,194.42/87,207.09 = 34,899.50/x
  3. Step 3: Cross multiply
    63,194.42x = 87,207.09 × 34,899.50
  4. Step 4: Simplify right side
    63,194.42x = 3,043,483,837.46
  5. Step 5: Solve for x
    x = 3,043,483,837.46/63,194.42
  6. Step 6: Final answer
    x = 48,160.64

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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.