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Finding the Fourth Proportional to 189,333.76, 283,801.28 and 62,940.09

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Solution

The fourth proportional to 189,333.76, 283,801.28 and 62,940.09 is: 94,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,333.76 : 283,801.28 = 62,940.09 : x
  2. Step 2: Convert to fraction form
    189,333.76/283,801.28 = 62,940.09/x
  3. Step 3: Cross multiply
    189,333.76x = 283,801.28 × 62,940.09
  4. Step 4: Simplify right side
    189,333.76x = 17,862,476,371.61
  5. Step 5: Solve for x
    x = 17,862,476,371.61/189,333.76
  6. Step 6: Final answer
    x = 94,343.85

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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.