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Finding the Fourth Proportional to 173,892.30, 260,924.85 and 68,714.70

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Solution

The fourth proportional to 173,892.30, 260,924.85 and 68,714.70 is: 103,106.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,892.30 : 260,924.85 = 68,714.70 : x
  2. Step 2: Convert to fraction form
    173,892.30/260,924.85 = 68,714.70/x
  3. Step 3: Cross multiply
    173,892.30x = 260,924.85 × 68,714.70
  4. Step 4: Simplify right side
    173,892.30x = 17,929,372,790.30
  5. Step 5: Solve for x
    x = 17,929,372,790.30/173,892.30
  6. Step 6: Final answer
    x = 103,106.19

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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.