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Finding the Fourth Proportional to 172,530.43, 258,848.46 and 88,350.19

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Solution

The fourth proportional to 172,530.43, 258,848.46 and 88,350.19 is: 132,552.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,530.43 : 258,848.46 = 88,350.19 : x
  2. Step 2: Convert to fraction form
    172,530.43/258,848.46 = 88,350.19/x
  3. Step 3: Cross multiply
    172,530.43x = 258,848.46 × 88,350.19
  4. Step 4: Simplify right side
    172,530.43x = 22,869,310,622.21
  5. Step 5: Solve for x
    x = 22,869,310,622.21/172,530.43
  6. Step 6: Final answer
    x = 132,552.33

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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.