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Finding the Fourth Proportional to 172,160.78, 237,522.58 and 107,585.96

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Solution

The fourth proportional to 172,160.78, 237,522.58 and 107,585.96 is: 148,431.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,160.78 : 237,522.58 = 107,585.96 : x
  2. Step 2: Convert to fraction form
    172,160.78/237,522.58 = 107,585.96/x
  3. Step 3: Cross multiply
    172,160.78x = 237,522.58 × 107,585.96
  4. Step 4: Simplify right side
    172,160.78x = 25,554,093,334.40
  5. Step 5: Solve for x
    x = 25,554,093,334.40/172,160.78
  6. Step 6: Final answer
    x = 148,431.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.