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Finding the Fourth Proportional to 173,491.20, 260,236.80 and 48,832.20

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Solution

The fourth proportional to 173,491.20, 260,236.80 and 48,832.20 is: 73,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,491.20 : 260,236.80 = 48,832.20 : x
  2. Step 2: Convert to fraction form
    173,491.20/260,236.80 = 48,832.20/x
  3. Step 3: Cross multiply
    173,491.20x = 260,236.80 × 48,832.20
  4. Step 4: Simplify right side
    173,491.20x = 12,707,935,464.96
  5. Step 5: Solve for x
    x = 12,707,935,464.96/173,491.20
  6. Step 6: Final answer
    x = 73,248.30

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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.