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Finding the Fourth Proportional to 68,751.78, 102,923.52 and 37,492.26

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Solution

The fourth proportional to 68,751.78, 102,923.52 and 37,492.26 is: 56,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,751.78 : 102,923.52 = 37,492.26 : x
  2. Step 2: Convert to fraction form
    68,751.78/102,923.52 = 37,492.26/x
  3. Step 3: Cross multiply
    68,751.78x = 102,923.52 × 37,492.26
  4. Step 4: Simplify right side
    68,751.78x = 3,858,835,371.96
  5. Step 5: Solve for x
    x = 3,858,835,371.96/68,751.78
  6. Step 6: Final answer
    x = 56,127.06

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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.