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Finding the Fourth Proportional to 61,940.34, 92,435.81 and 55,297.26

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Solution

The fourth proportional to 61,940.34, 92,435.81 and 55,297.26 is: 82,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,940.34 : 92,435.81 = 55,297.26 : x
  2. Step 2: Convert to fraction form
    61,940.34/92,435.81 = 55,297.26/x
  3. Step 3: Cross multiply
    61,940.34x = 92,435.81 × 55,297.26
  4. Step 4: Simplify right side
    61,940.34x = 5,111,446,742.39
  5. Step 5: Solve for x
    x = 5,111,446,742.39/61,940.34
  6. Step 6: Final answer
    x = 82,522.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.