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Finding the Fourth Proportional to 63,188.96, 87,200.43 and 34,894.64

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Solution

The fourth proportional to 63,188.96, 87,200.43 and 34,894.64 is: 48,154.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,188.96 : 87,200.43 = 34,894.64 : x
  2. Step 2: Convert to fraction form
    63,188.96/87,200.43 = 34,894.64/x
  3. Step 3: Cross multiply
    63,188.96x = 87,200.43 × 34,894.64
  4. Step 4: Simplify right side
    63,188.96x = 3,042,827,612.70
  5. Step 5: Solve for x
    x = 3,042,827,612.70/63,188.96
  6. Step 6: Final answer
    x = 48,154.42

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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.