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Finding the Fourth Proportional to 178,314.90, 267,623.55 and 73,209.30

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Solution

The fourth proportional to 178,314.90, 267,623.55 and 73,209.30 is: 109,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,314.90 : 267,623.55 = 73,209.30 : x
  2. Step 2: Convert to fraction form
    178,314.90/267,623.55 = 73,209.30/x
  3. Step 3: Cross multiply
    178,314.90x = 267,623.55 × 73,209.30
  4. Step 4: Simplify right side
    178,314.90x = 19,592,532,759.02
  5. Step 5: Solve for x
    x = 19,592,532,759.02/178,314.90
  6. Step 6: Final answer
    x = 109,876.03

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1.5x scale

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.