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Finding the Fourth Proportional to 173,420.94, 260,131.51 and 48,761.94

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Solution

The fourth proportional to 173,420.94, 260,131.51 and 48,761.94 is: 73,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,420.94 : 260,131.51 = 48,761.94 : x
  2. Step 2: Convert to fraction form
    173,420.94/260,131.51 = 48,761.94/x
  3. Step 3: Cross multiply
    173,420.94x = 260,131.51 × 48,761.94
  4. Step 4: Simplify right side
    173,420.94x = 12,684,517,082.73
  5. Step 5: Solve for x
    x = 12,684,517,082.73/173,420.94
  6. Step 6: Final answer
    x = 73,142.94

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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.