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Finding the Fourth Proportional to 173,694.30, 260,541.45 and 154,340.70

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Solution

The fourth proportional to 173,694.30, 260,541.45 and 154,340.70 is: 231,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,694.30 : 260,541.45 = 154,340.70 : x
  2. Step 2: Convert to fraction form
    173,694.30/260,541.45 = 154,340.70/x
  3. Step 3: Cross multiply
    173,694.30x = 260,541.45 × 154,340.70
  4. Step 4: Simplify right side
    173,694.30x = 40,212,149,772.02
  5. Step 5: Solve for x
    x = 40,212,149,772.02/173,694.30
  6. Step 6: Final answer
    x = 231,511.05

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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.