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Finding the Fourth Proportional to 173,568.62, 260,500.86 and 68,461.40

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Solution

The fourth proportional to 173,568.62, 260,500.86 and 68,461.40 is: 102,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,568.62 : 260,500.86 = 68,461.40 : x
  2. Step 2: Convert to fraction form
    173,568.62/260,500.86 = 68,461.40/x
  3. Step 3: Cross multiply
    173,568.62x = 260,500.86 × 68,461.40
  4. Step 4: Simplify right side
    173,568.62x = 17,834,252,274.30
  5. Step 5: Solve for x
    x = 17,834,252,274.30/173,568.62
  6. Step 6: Final answer
    x = 102,750.44

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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.