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Finding the Fourth Proportional to 172,691.14, 259,051.28 and 48,032.14

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Solution

The fourth proportional to 172,691.14, 259,051.28 and 48,032.14 is: 72,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,691.14 : 259,051.28 = 48,032.14 : x
  2. Step 2: Convert to fraction form
    172,691.14/259,051.28 = 48,032.14/x
  3. Step 3: Cross multiply
    172,691.14x = 259,051.28 × 48,032.14
  4. Step 4: Simplify right side
    172,691.14x = 12,442,787,348.14
  5. Step 5: Solve for x
    x = 12,442,787,348.14/172,691.14
  6. Step 6: Final answer
    x = 72,052.26

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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.