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Finding the Fourth Proportional to 61,051.62, 84,250.62 and 34,194.18

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Solution

The fourth proportional to 61,051.62, 84,250.62 and 34,194.18 is: 47,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,051.62 : 84,250.62 = 34,194.18 : x
  2. Step 2: Convert to fraction form
    61,051.62/84,250.62 = 34,194.18/x
  3. Step 3: Cross multiply
    61,051.62x = 84,250.62 × 34,194.18
  4. Step 4: Simplify right side
    61,051.62x = 2,880,880,865.39
  5. Step 5: Solve for x
    x = 2,880,880,865.39/61,051.62
  6. Step 6: Final answer
    x = 47,187.62

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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.