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Finding the Fourth Proportional to 173,604.30, 260,492.85 and 68,426.70

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Solution

The fourth proportional to 173,604.30, 260,492.85 and 68,426.70 is: 102,674.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,604.30 : 260,492.85 = 68,426.70 : x
  2. Step 2: Convert to fraction form
    173,604.30/260,492.85 = 68,426.70/x
  3. Step 3: Cross multiply
    173,604.30x = 260,492.85 × 68,426.70
  4. Step 4: Simplify right side
    173,604.30x = 17,824,666,099.10
  5. Step 5: Solve for x
    x = 17,824,666,099.10/173,604.30
  6. Step 6: Final answer
    x = 102,674.10

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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.