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Finding the Fourth Proportional to 234,354.90, 351,550.56 and 76,599.30

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Solution

The fourth proportional to 234,354.90, 351,550.56 and 76,599.30 is: 114,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,354.90 : 351,550.56 = 76,599.30 : x
  2. Step 2: Convert to fraction form
    234,354.90/351,550.56 = 76,599.30/x
  3. Step 3: Cross multiply
    234,354.90x = 351,550.56 × 76,599.30
  4. Step 4: Simplify right side
    234,354.90x = 26,928,526,810.61
  5. Step 5: Solve for x
    x = 26,928,526,810.61/234,354.90
  6. Step 6: Final answer
    x = 114,904.90

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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.