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Finding the Fourth Proportional to 63,424.86, 95,138.22 and 30,148.34

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Solution

The fourth proportional to 63,424.86, 95,138.22 and 30,148.34 is: 45,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,424.86 : 95,138.22 = 30,148.34 : x
  2. Step 2: Convert to fraction form
    63,424.86/95,138.22 = 30,148.34/x
  3. Step 3: Cross multiply
    63,424.86x = 95,138.22 × 30,148.34
  4. Step 4: Simplify right side
    63,424.86x = 2,868,259,403.55
  5. Step 5: Solve for x
    x = 2,868,259,403.55/63,424.86
  6. Step 6: Final answer
    x = 45,222.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.