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Finding the Fourth Proportional to 178,325.25, 267,299.35 and 65,933.30

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Solution

The fourth proportional to 178,325.25, 267,299.35 and 65,933.30 is: 98,830.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,325.25 : 267,299.35 = 65,933.30 : x
  2. Step 2: Convert to fraction form
    178,325.25/267,299.35 = 65,933.30/x
  3. Step 3: Cross multiply
    178,325.25x = 267,299.35 × 65,933.30
  4. Step 4: Simplify right side
    178,325.25x = 17,623,926,732.03
  5. Step 5: Solve for x
    x = 17,623,926,732.03/178,325.25
  6. Step 6: Final answer
    x = 98,830.24

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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.