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Finding the Fourth Proportional to 173,832.58, 260,801.37 and 72,679.78

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Solution

The fourth proportional to 173,832.58, 260,801.37 and 72,679.78 is: 109,041.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,832.58 : 260,801.37 = 72,679.78 : x
  2. Step 2: Convert to fraction form
    173,832.58/260,801.37 = 72,679.78/x
  3. Step 3: Cross multiply
    173,832.58x = 260,801.37 × 72,679.78
  4. Step 4: Simplify right side
    173,832.58x = 18,954,986,195.30
  5. Step 5: Solve for x
    x = 18,954,986,195.30/173,832.58
  6. Step 6: Final answer
    x = 109,041.62

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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.