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Finding the Fourth Proportional to 141,676.08, 212,601.56 and 58,570

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Solution

The fourth proportional to 141,676.08, 212,601.56 and 58,570 is: 87,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,676.08 : 212,601.56 = 58,570 : x
  2. Step 2: Convert to fraction form
    141,676.08/212,601.56 = 58,570/x
  3. Step 3: Cross multiply
    141,676.08x = 212,601.56 × 58,570
  4. Step 4: Simplify right side
    141,676.08x = 12,452,073,369.20
  5. Step 5: Solve for x
    x = 12,452,073,369.20/141,676.08
  6. Step 6: Final answer
    x = 87,891.15

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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.