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Finding the Fourth Proportional to 73,464.84, 110,131.20 and 26,685

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Solution

The fourth proportional to 73,464.84, 110,131.20 and 26,685 is: 40,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,464.84 : 110,131.20 = 26,685 : x
  2. Step 2: Convert to fraction form
    73,464.84/110,131.20 = 26,685/x
  3. Step 3: Cross multiply
    73,464.84x = 110,131.20 × 26,685
  4. Step 4: Simplify right side
    73,464.84x = 2,938,851,072
  5. Step 5: Solve for x
    x = 2,938,851,072/73,464.84
  6. Step 6: Final answer
    x = 40,003.50

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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.