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Finding the Fourth Proportional to 172,982.54, 259,492.27 and 73,152.83

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Solution

The fourth proportional to 172,982.54, 259,492.27 and 73,152.83 is: 109,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,982.54 : 259,492.27 = 73,152.83 : x
  2. Step 2: Convert to fraction form
    172,982.54/259,492.27 = 73,152.83/x
  3. Step 3: Cross multiply
    172,982.54x = 259,492.27 × 73,152.83
  4. Step 4: Simplify right side
    172,982.54x = 18,982,593,913.62
  5. Step 5: Solve for x
    x = 18,982,593,913.62/172,982.54
  6. Step 6: Final answer
    x = 109,737.05

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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.