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Finding the Fourth Proportional to 172,705.96, 238,346.42 and 96,230.08

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Solution

The fourth proportional to 172,705.96, 238,346.42 and 96,230.08 is: 132,804.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,705.96 : 238,346.42 = 96,230.08 : x
  2. Step 2: Convert to fraction form
    172,705.96/238,346.42 = 96,230.08/x
  3. Step 3: Cross multiply
    172,705.96x = 238,346.42 × 96,230.08
  4. Step 4: Simplify right side
    172,705.96x = 22,936,095,064.31
  5. Step 5: Solve for x
    x = 22,936,095,064.31/172,705.96
  6. Step 6: Final answer
    x = 132,804.31

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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.