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Finding the Fourth Proportional to 172,775.57, 259,198.56 and 97,929.14

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Solution

The fourth proportional to 172,775.57, 259,198.56 and 97,929.14 is: 146,913.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,775.57 : 259,198.56 = 97,929.14 : x
  2. Step 2: Convert to fraction form
    172,775.57/259,198.56 = 97,929.14/x
  3. Step 3: Cross multiply
    172,775.57x = 259,198.56 × 97,929.14
  4. Step 4: Simplify right side
    172,775.57x = 25,383,090,774.05
  5. Step 5: Solve for x
    x = 25,383,090,774.05/172,775.57
  6. Step 6: Final answer
    x = 146,913.66

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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.