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Finding the Fourth Proportional to 272,354.10, 375,859.35 and 164,863.32

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Solution

The fourth proportional to 272,354.10, 375,859.35 and 164,863.32 is: 227,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,354.10 : 375,859.35 = 164,863.32 : x
  2. Step 2: Convert to fraction form
    272,354.10/375,859.35 = 164,863.32/x
  3. Step 3: Cross multiply
    272,354.10x = 375,859.35 × 164,863.32
  4. Step 4: Simplify right side
    272,354.10x = 61,965,420,294.04
  5. Step 5: Solve for x
    x = 61,965,420,294.04/272,354.10
  6. Step 6: Final answer
    x = 227,517.85

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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.