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Finding the Fourth Proportional to 178,560.36, 267,590.16 and 128,404.44

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Solution

The fourth proportional to 178,560.36, 267,590.16 and 128,404.44 is: 192,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,560.36 : 267,590.16 = 128,404.44 : x
  2. Step 2: Convert to fraction form
    178,560.36/267,590.16 = 128,404.44/x
  3. Step 3: Cross multiply
    178,560.36x = 267,590.16 × 128,404.44
  4. Step 4: Simplify right side
    178,560.36x = 34,359,764,644.31
  5. Step 5: Solve for x
    x = 34,359,764,644.31/178,560.36
  6. Step 6: Final answer
    x = 192,426.61

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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.