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Finding the Fourth Proportional to 172,697.01, 259,053.62 and 106,095.57

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Solution

The fourth proportional to 172,697.01, 259,053.62 and 106,095.57 is: 159,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,697.01 : 259,053.62 = 106,095.57 : x
  2. Step 2: Convert to fraction form
    172,697.01/259,053.62 = 106,095.57/x
  3. Step 3: Cross multiply
    172,697.01x = 259,053.62 × 106,095.57
  4. Step 4: Simplify right side
    172,697.01x = 27,484,440,943.99
  5. Step 5: Solve for x
    x = 27,484,440,943.99/172,697.01
  6. Step 6: Final answer
    x = 159,148.33

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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.