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Finding the Fourth Proportional to 63,141.73, 87,135.60 and 34,461.61

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Solution

The fourth proportional to 63,141.73, 87,135.60 and 34,461.61 is: 47,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,141.73 : 87,135.60 = 34,461.61 : x
  2. Step 2: Convert to fraction form
    63,141.73/87,135.60 = 34,461.61/x
  3. Step 3: Cross multiply
    63,141.73x = 87,135.60 × 34,461.61
  4. Step 4: Simplify right side
    63,141.73x = 3,002,833,064.32
  5. Step 5: Solve for x
    x = 3,002,833,064.32/63,141.73
  6. Step 6: Final answer
    x = 47,557.03

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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.