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Finding the Fourth Proportional to 63,195.64, 87,210 and 34,901.32

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Solution

The fourth proportional to 63,195.64, 87,210 and 34,901.32 is: 48,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,195.64 : 87,210 = 34,901.32 : x
  2. Step 2: Convert to fraction form
    63,195.64/87,210 = 34,901.32/x
  3. Step 3: Cross multiply
    63,195.64x = 87,210 × 34,901.32
  4. Step 4: Simplify right side
    63,195.64x = 3,043,744,117.20
  5. Step 5: Solve for x
    x = 3,043,744,117.20/63,195.64
  6. Step 6: Final answer
    x = 48,163.83

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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.