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Finding the Fourth Proportional to 234,884.88, 352,339.61 and 66,417.53

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Solution

The fourth proportional to 234,884.88, 352,339.61 and 66,417.53 is: 99,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,884.88 : 352,339.61 = 66,417.53 : x
  2. Step 2: Convert to fraction form
    234,884.88/352,339.61 = 66,417.53/x
  3. Step 3: Cross multiply
    234,884.88x = 352,339.61 × 66,417.53
  4. Step 4: Simplify right side
    234,884.88x = 23,401,524,523.58
  5. Step 5: Solve for x
    x = 23,401,524,523.58/234,884.88
  6. Step 6: Final answer
    x = 99,629.76

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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.