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Finding the Fourth Proportional to 63,187.52, 87,197.09 and 34,507.95

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Solution

The fourth proportional to 63,187.52, 87,197.09 and 34,507.95 is: 47,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,187.52 : 87,197.09 = 34,507.95 : x
  2. Step 2: Convert to fraction form
    63,187.52/87,197.09 = 34,507.95/x
  3. Step 3: Cross multiply
    63,187.52x = 87,197.09 × 34,507.95
  4. Step 4: Simplify right side
    63,187.52x = 3,008,992,908.14
  5. Step 5: Solve for x
    x = 3,008,992,908.14/63,187.52
  6. Step 6: Final answer
    x = 47,620.05

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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.