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Finding the Fourth Proportional to 174,427, 261,679.50 and 63,619

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Solution

The fourth proportional to 174,427, 261,679.50 and 63,619 is: 95,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,427 : 261,679.50 = 63,619 : x
  2. Step 2: Convert to fraction form
    174,427/261,679.50 = 63,619/x
  3. Step 3: Cross multiply
    174,427x = 261,679.50 × 63,619
  4. Step 4: Simplify right side
    174,427x = 16,647,788,110.50
  5. Step 5: Solve for x
    x = 16,647,788,110.50/174,427
  6. Step 6: Final answer
    x = 95,442.72

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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.