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Finding the Fourth Proportional to 68,492.25, 102,722.58 and 26,358.48

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Solution

The fourth proportional to 68,492.25, 102,722.58 and 26,358.48 is: 39,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,492.25 : 102,722.58 = 26,358.48 : x
  2. Step 2: Convert to fraction form
    68,492.25/102,722.58 = 26,358.48/x
  3. Step 3: Cross multiply
    68,492.25x = 102,722.58 × 26,358.48
  4. Step 4: Simplify right side
    68,492.25x = 2,707,611,070.48
  5. Step 5: Solve for x
    x = 2,707,611,070.48/68,492.25
  6. Step 6: Final answer
    x = 39,531.64

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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.