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Finding the Fourth Proportional to 63,186.60, 87,197.70 and 34,506.54

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Solution

The fourth proportional to 63,186.60, 87,197.70 and 34,506.54 is: 47,619.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,186.60 : 87,197.70 = 34,506.54 : x
  2. Step 2: Convert to fraction form
    63,186.60/87,197.70 = 34,506.54/x
  3. Step 3: Cross multiply
    63,186.60x = 87,197.70 × 34,506.54
  4. Step 4: Simplify right side
    63,186.60x = 3,008,890,922.96
  5. Step 5: Solve for x
    x = 3,008,890,922.96/63,186.60
  6. Step 6: Final answer
    x = 47,619.13

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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.