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Finding the Fourth Proportional to 173,635, 239,617.74 and 94,147

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Solution

The fourth proportional to 173,635, 239,617.74 and 94,147 is: 129,923.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,635 : 239,617.74 = 94,147 : x
  2. Step 2: Convert to fraction form
    173,635/239,617.74 = 94,147/x
  3. Step 3: Cross multiply
    173,635x = 239,617.74 × 94,147
  4. Step 4: Simplify right side
    173,635x = 22,559,291,367.78
  5. Step 5: Solve for x
    x = 22,559,291,367.78/173,635
  6. Step 6: Final answer
    x = 129,923.64

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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.