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Finding the Fourth Proportional to 61,168.84, 84,419.22 and 36,026.44

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Solution

The fourth proportional to 61,168.84, 84,419.22 and 36,026.44 is: 49,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,168.84 : 84,419.22 = 36,026.44 : x
  2. Step 2: Convert to fraction form
    61,168.84/84,419.22 = 36,026.44/x
  3. Step 3: Cross multiply
    61,168.84x = 84,419.22 × 36,026.44
  4. Step 4: Simplify right side
    61,168.84x = 3,041,323,964.18
  5. Step 5: Solve for x
    x = 3,041,323,964.18/61,168.84
  6. Step 6: Final answer
    x = 49,720.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.