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Finding the Fourth Proportional to 172,924.67, 259,467.20 and 73,108.17

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Solution

The fourth proportional to 172,924.67, 259,467.20 and 73,108.17 is: 109,696.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,924.67 : 259,467.20 = 73,108.17 : x
  2. Step 2: Convert to fraction form
    172,924.67/259,467.20 = 73,108.17/x
  3. Step 3: Cross multiply
    172,924.67x = 259,467.20 × 73,108.17
  4. Step 4: Simplify right side
    172,924.67x = 18,969,172,075.64
  5. Step 5: Solve for x
    x = 18,969,172,075.64/172,924.67
  6. Step 6: Final answer
    x = 109,696.16

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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.