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Finding the Fourth Proportional to 63,195.42, 87,208.47 and 34,900.50

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Solution

The fourth proportional to 63,195.42, 87,208.47 and 34,900.50 is: 48,162.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,195.42 : 87,208.47 = 34,900.50 : x
  2. Step 2: Convert to fraction form
    63,195.42/87,208.47 = 34,900.50/x
  3. Step 3: Cross multiply
    63,195.42x = 87,208.47 × 34,900.50
  4. Step 4: Simplify right side
    63,195.42x = 3,043,619,207.24
  5. Step 5: Solve for x
    x = 3,043,619,207.24/63,195.42
  6. Step 6: Final answer
    x = 48,162.02

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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.