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Finding the Fourth Proportional to 61,495.88, 92,242.19 and 17,120.84

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Solution

The fourth proportional to 61,495.88, 92,242.19 and 17,120.84 is: 25,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,495.88 : 92,242.19 = 17,120.84 : x
  2. Step 2: Convert to fraction form
    61,495.88/92,242.19 = 17,120.84/x
  3. Step 3: Cross multiply
    61,495.88x = 92,242.19 × 17,120.84
  4. Step 4: Simplify right side
    61,495.88x = 1,579,263,357.83
  5. Step 5: Solve for x
    x = 1,579,263,357.83/61,495.88
  6. Step 6: Final answer
    x = 25,680.80

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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.