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Finding the Fourth Proportional to 172,361.34, 237,856.37 and 96,909.84

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Solution

The fourth proportional to 172,361.34, 237,856.37 and 96,909.84 is: 133,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,361.34 : 237,856.37 = 96,909.84 : x
  2. Step 2: Convert to fraction form
    172,361.34/237,856.37 = 96,909.84/x
  3. Step 3: Cross multiply
    172,361.34x = 237,856.37 × 96,909.84
  4. Step 4: Simplify right side
    172,361.34x = 23,050,622,275.13
  5. Step 5: Solve for x
    x = 23,050,622,275.13/172,361.34
  6. Step 6: Final answer
    x = 133,734.29

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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.