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Finding the Fourth Proportional to 172,243.60, 258,092.52 and 132,897.04

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Solution

The fourth proportional to 172,243.60, 258,092.52 and 132,897.04 is: 199,135.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,243.60 : 258,092.52 = 132,897.04 : x
  2. Step 2: Convert to fraction form
    172,243.60/258,092.52 = 132,897.04/x
  3. Step 3: Cross multiply
    172,243.60x = 258,092.52 × 132,897.04
  4. Step 4: Simplify right side
    172,243.60x = 34,299,731,954.14
  5. Step 5: Solve for x
    x = 34,299,731,954.14/172,243.60
  6. Step 6: Final answer
    x = 199,135.02

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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.