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Finding the Fourth Proportional to 172,220.96, 237,670.16 and 104,250.32

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Solution

The fourth proportional to 172,220.96, 237,670.16 and 104,250.32 is: 143,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,220.96 : 237,670.16 = 104,250.32 : x
  2. Step 2: Convert to fraction form
    172,220.96/237,670.16 = 104,250.32/x
  3. Step 3: Cross multiply
    172,220.96x = 237,670.16 × 104,250.32
  4. Step 4: Simplify right side
    172,220.96x = 24,777,190,234.45
  5. Step 5: Solve for x
    x = 24,777,190,234.45/172,220.96
  6. Step 6: Final answer
    x = 143,868.61

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