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Finding the Fourth Proportional to 172,186.64, 237,606.03 and 95,700.77

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Solution

The fourth proportional to 172,186.64, 237,606.03 and 95,700.77 is: 132,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,186.64 : 237,606.03 = 95,700.77 : x
  2. Step 2: Convert to fraction form
    172,186.64/237,606.03 = 95,700.77/x
  3. Step 3: Cross multiply
    172,186.64x = 237,606.03 × 95,700.77
  4. Step 4: Simplify right side
    172,186.64x = 22,739,078,361.11
  5. Step 5: Solve for x
    x = 22,739,078,361.11/172,186.64
  6. Step 6: Final answer
    x = 132,060.65

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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.