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Finding the Fourth Proportional to 172,940.58, 259,572.60 and 106,510.32

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Solution

The fourth proportional to 172,940.58, 259,572.60 and 106,510.32 is: 159,865.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,940.58 : 259,572.60 = 106,510.32 : x
  2. Step 2: Convert to fraction form
    172,940.58/259,572.60 = 106,510.32/x
  3. Step 3: Cross multiply
    172,940.58x = 259,572.60 × 106,510.32
  4. Step 4: Simplify right side
    172,940.58x = 27,647,160,689.23
  5. Step 5: Solve for x
    x = 27,647,160,689.23/172,940.58
  6. Step 6: Final answer
    x = 159,865.09

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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.