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Finding the Fourth Proportional to 120,175.54, 180,266.99 and 41,288.63

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Solution

The fourth proportional to 120,175.54, 180,266.99 and 41,288.63 is: 61,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,175.54 : 180,266.99 = 41,288.63 : x
  2. Step 2: Convert to fraction form
    120,175.54/180,266.99 = 41,288.63/x
  3. Step 3: Cross multiply
    120,175.54x = 180,266.99 × 41,288.63
  4. Step 4: Simplify right side
    120,175.54x = 7,442,975,943.55
  5. Step 5: Solve for x
    x = 7,442,975,943.55/120,175.54
  6. Step 6: Final answer
    x = 61,934.20

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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.