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Finding the Fourth Proportional to 68,244.32, 102,342 and 26,136.24

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Solution

The fourth proportional to 68,244.32, 102,342 and 26,136.24 is: 39,194.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,244.32 : 102,342 = 26,136.24 : x
  2. Step 2: Convert to fraction form
    68,244.32/102,342 = 26,136.24/x
  3. Step 3: Cross multiply
    68,244.32x = 102,342 × 26,136.24
  4. Step 4: Simplify right side
    68,244.32x = 2,674,835,074.08
  5. Step 5: Solve for x
    x = 2,674,835,074.08/68,244.32
  6. Step 6: Final answer
    x = 39,194.98

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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.