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Finding the Fourth Proportional to 178,466.46, 267,173.72 and 156,323.08

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Solution

The fourth proportional to 178,466.46, 267,173.72 and 156,323.08 is: 234,023.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,466.46 : 267,173.72 = 156,323.08 : x
  2. Step 2: Convert to fraction form
    178,466.46/267,173.72 = 156,323.08/x
  3. Step 3: Cross multiply
    178,466.46x = 267,173.72 × 156,323.08
  4. Step 4: Simplify right side
    178,466.46x = 41,765,418,805.46
  5. Step 5: Solve for x
    x = 41,765,418,805.46/178,466.46
  6. Step 6: Final answer
    x = 234,023.91

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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.