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Finding the Fourth Proportional to 188,310.24, 259,938.90 and 124,734.24

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Solution

The fourth proportional to 188,310.24, 259,938.90 and 124,734.24 is: 172,180.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,310.24 : 259,938.90 = 124,734.24 : x
  2. Step 2: Convert to fraction form
    188,310.24/259,938.90 = 124,734.24/x
  3. Step 3: Cross multiply
    188,310.24x = 259,938.90 × 124,734.24
  4. Step 4: Simplify right side
    188,310.24x = 32,423,281,137.94
  5. Step 5: Solve for x
    x = 32,423,281,137.94/188,310.24
  6. Step 6: Final answer
    x = 172,180.13

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