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Finding the Fourth Proportional to 172,997.67, 238,646.13 and 150,285.67

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Solution

The fourth proportional to 172,997.67, 238,646.13 and 150,285.67 is: 207,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,997.67 : 238,646.13 = 150,285.67 : x
  2. Step 2: Convert to fraction form
    172,997.67/238,646.13 = 150,285.67/x
  3. Step 3: Cross multiply
    172,997.67x = 238,646.13 × 150,285.67
  4. Step 4: Simplify right side
    172,997.67x = 35,865,094,136.57
  5. Step 5: Solve for x
    x = 35,865,094,136.57/172,997.67
  6. Step 6: Final answer
    x = 207,315.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.