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Finding the Fourth Proportional to 173,722.80, 260,584.20 and 68,528.10

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Solution

The fourth proportional to 173,722.80, 260,584.20 and 68,528.10 is: 102,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,722.80 : 260,584.20 = 68,528.10 : x
  2. Step 2: Convert to fraction form
    173,722.80/260,584.20 = 68,528.10/x
  3. Step 3: Cross multiply
    173,722.80x = 260,584.20 × 68,528.10
  4. Step 4: Simplify right side
    173,722.80x = 17,857,340,116.02
  5. Step 5: Solve for x
    x = 17,857,340,116.02/173,722.80
  6. Step 6: Final answer
    x = 102,792.15

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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.