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Finding the Fourth Proportional to 89,677, 134,176.92 and 53,519.41

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Solution

The fourth proportional to 89,677, 134,176.92 and 53,519.41 is: 80,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,677 : 134,176.92 = 53,519.41 : x
  2. Step 2: Convert to fraction form
    89,677/134,176.92 = 53,519.41/x
  3. Step 3: Cross multiply
    89,677x = 134,176.92 × 53,519.41
  4. Step 4: Simplify right side
    89,677x = 7,181,069,594.02
  5. Step 5: Solve for x
    x = 7,181,069,594.02/89,677
  6. Step 6: Final answer
    x = 80,077.05

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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.