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Finding the Fourth Proportional to 172,157.91, 237,577.71 and 95,674.59

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Solution

The fourth proportional to 172,157.91, 237,577.71 and 95,674.59 is: 132,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,157.91 : 237,577.71 = 95,674.59 : x
  2. Step 2: Convert to fraction form
    172,157.91/237,577.71 = 95,674.59/x
  3. Step 3: Cross multiply
    172,157.91x = 237,577.71 × 95,674.59
  4. Step 4: Simplify right side
    172,157.91x = 22,730,149,997.39
  5. Step 5: Solve for x
    x = 22,730,149,997.39/172,157.91
  6. Step 6: Final answer
    x = 132,030.82

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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.