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Finding the Fourth Proportional to 172,374.44, 258,497.66 and 60,025.82

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Solution

The fourth proportional to 172,374.44, 258,497.66 and 60,025.82 is: 90,016.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,374.44 : 258,497.66 = 60,025.82 : x
  2. Step 2: Convert to fraction form
    172,374.44/258,497.66 = 60,025.82/x
  3. Step 3: Cross multiply
    172,374.44x = 258,497.66 × 60,025.82
  4. Step 4: Simplify right side
    172,374.44x = 15,516,534,009.58
  5. Step 5: Solve for x
    x = 15,516,534,009.58/172,374.44
  6. Step 6: Final answer
    x = 90,016.44

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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.