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Finding the Fourth Proportional to 154,522.44, 213,204.42 and 87,454.44

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Solution

The fourth proportional to 154,522.44, 213,204.42 and 87,454.44 is: 120,666.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,522.44 : 213,204.42 = 87,454.44 : x
  2. Step 2: Convert to fraction form
    154,522.44/213,204.42 = 87,454.44/x
  3. Step 3: Cross multiply
    154,522.44x = 213,204.42 × 87,454.44
  4. Step 4: Simplify right side
    154,522.44x = 18,645,673,156.62
  5. Step 5: Solve for x
    x = 18,645,673,156.62/154,522.44
  6. Step 6: Final answer
    x = 120,666.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.