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Finding the Fourth Proportional to 141,179.78, 194,919.27 and 87,522.14

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Solution

The fourth proportional to 141,179.78, 194,919.27 and 87,522.14 is: 120,837.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,179.78 : 194,919.27 = 87,522.14 : x
  2. Step 2: Convert to fraction form
    141,179.78/194,919.27 = 87,522.14/x
  3. Step 3: Cross multiply
    141,179.78x = 194,919.27 × 87,522.14
  4. Step 4: Simplify right side
    141,179.78x = 17,059,751,637.64
  5. Step 5: Solve for x
    x = 17,059,751,637.64/141,179.78
  6. Step 6: Final answer
    x = 120,837.07

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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.