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Finding the Fourth Proportional to 172,924.80, 259,414.02 and 73,085.41

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Solution

The fourth proportional to 172,924.80, 259,414.02 and 73,085.41 is: 109,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,924.80 : 259,414.02 = 73,085.41 : x
  2. Step 2: Convert to fraction form
    172,924.80/259,414.02 = 73,085.41/x
  3. Step 3: Cross multiply
    172,924.80x = 259,414.02 × 73,085.41
  4. Step 4: Simplify right side
    172,924.80x = 18,959,379,646.02
  5. Step 5: Solve for x
    x = 18,959,379,646.02/172,924.80
  6. Step 6: Final answer
    x = 109,639.45

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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.