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Finding the Fourth Proportional to 172,448.60, 258,192.28 and 88,027.16

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Solution

The fourth proportional to 172,448.60, 258,192.28 and 88,027.16 is: 131,795.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,448.60 : 258,192.28 = 88,027.16 : x
  2. Step 2: Convert to fraction form
    172,448.60/258,192.28 = 88,027.16/x
  3. Step 3: Cross multiply
    172,448.60x = 258,192.28 × 88,027.16
  4. Step 4: Simplify right side
    172,448.60x = 22,727,933,142.32
  5. Step 5: Solve for x
    x = 22,727,933,142.32/172,448.60
  6. Step 6: Final answer
    x = 131,795.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.