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Finding the Fourth Proportional to 172,127.94, 237,536.57 and 95,644.79

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Solution

The fourth proportional to 172,127.94, 237,536.57 and 95,644.79 is: 131,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,127.94 : 237,536.57 = 95,644.79 : x
  2. Step 2: Convert to fraction form
    172,127.94/237,536.57 = 95,644.79/x
  3. Step 3: Cross multiply
    172,127.94x = 237,536.57 × 95,644.79
  4. Step 4: Simplify right side
    172,127.94x = 22,719,135,297.16
  5. Step 5: Solve for x
    x = 22,719,135,297.16/172,127.94
  6. Step 6: Final answer
    x = 131,989.82

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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.