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Finding the Fourth Proportional to 63,212.46, 87,225.76 and 34,916.46

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Solution

The fourth proportional to 63,212.46, 87,225.76 and 34,916.46 is: 48,180.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,212.46 : 87,225.76 = 34,916.46 : x
  2. Step 2: Convert to fraction form
    63,212.46/87,225.76 = 34,916.46/x
  3. Step 3: Cross multiply
    63,212.46x = 87,225.76 × 34,916.46
  4. Step 4: Simplify right side
    63,212.46x = 3,045,614,760.01
  5. Step 5: Solve for x
    x = 3,045,614,760.01/63,212.46
  6. Step 6: Final answer
    x = 48,180.61

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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.