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Finding the Fourth Proportional to 172,562.67, 238,147.29 and 104,585.58

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Solution

The fourth proportional to 172,562.67, 238,147.29 and 104,585.58 is: 144,334.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,562.67 : 238,147.29 = 104,585.58 : x
  2. Step 2: Convert to fraction form
    172,562.67/238,147.29 = 104,585.58/x
  3. Step 3: Cross multiply
    172,562.67x = 238,147.29 × 104,585.58
  4. Step 4: Simplify right side
    172,562.67x = 24,906,772,450.08
  5. Step 5: Solve for x
    x = 24,906,772,450.08/172,562.67
  6. Step 6: Final answer
    x = 144,334.65

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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.