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Finding the Fourth Proportional to 67,141.80, 100,648.70 and 25,010.60

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Solution

The fourth proportional to 67,141.80, 100,648.70 and 25,010.60 is: 37,492.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,141.80 : 100,648.70 = 25,010.60 : x
  2. Step 2: Convert to fraction form
    67,141.80/100,648.70 = 25,010.60/x
  3. Step 3: Cross multiply
    67,141.80x = 100,648.70 × 25,010.60
  4. Step 4: Simplify right side
    67,141.80x = 2,517,284,376.22
  5. Step 5: Solve for x
    x = 2,517,284,376.22/67,141.80
  6. Step 6: Final answer
    x = 37,492.06

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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.