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Finding the Fourth Proportional to 172,683.52, 258,807.72 and 92,522.68

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Solution

The fourth proportional to 172,683.52, 258,807.72 and 92,522.68 is: 138,667.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,683.52 : 258,807.72 = 92,522.68 : x
  2. Step 2: Convert to fraction form
    172,683.52/258,807.72 = 92,522.68/x
  3. Step 3: Cross multiply
    172,683.52x = 258,807.72 × 92,522.68
  4. Step 4: Simplify right side
    172,683.52x = 23,945,585,014.82
  5. Step 5: Solve for x
    x = 23,945,585,014.82/172,683.52
  6. Step 6: Final answer
    x = 138,667.46

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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.