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Finding the Fourth Proportional to 68,899.75, 103,253.27 and 37,241.51

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Solution

The fourth proportional to 68,899.75, 103,253.27 and 37,241.51 is: 55,810.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,899.75 : 103,253.27 = 37,241.51 : x
  2. Step 2: Convert to fraction form
    68,899.75/103,253.27 = 37,241.51/x
  3. Step 3: Cross multiply
    68,899.75x = 103,253.27 × 37,241.51
  4. Step 4: Simplify right side
    68,899.75x = 3,845,306,984.76
  5. Step 5: Solve for x
    x = 3,845,306,984.76/68,899.75
  6. Step 6: Final answer
    x = 55,810.18

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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.