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Finding the Fourth Proportional to 63,115.94, 87,100.53 and 34,823.54

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Solution

The fourth proportional to 63,115.94, 87,100.53 and 34,823.54 is: 48,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,115.94 : 87,100.53 = 34,823.54 : x
  2. Step 2: Convert to fraction form
    63,115.94/87,100.53 = 34,823.54/x
  3. Step 3: Cross multiply
    63,115.94x = 87,100.53 × 34,823.54
  4. Step 4: Simplify right side
    63,115.94x = 3,033,148,790.48
  5. Step 5: Solve for x
    x = 3,033,148,790.48/63,115.94
  6. Step 6: Final answer
    x = 48,056.78

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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.