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Finding the Fourth Proportional to 219,759.62, 329,689.13 and 70,008.44

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Solution

The fourth proportional to 219,759.62, 329,689.13 and 70,008.44 is: 105,028.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,759.62 : 329,689.13 = 70,008.44 : x
  2. Step 2: Convert to fraction form
    219,759.62/329,689.13 = 70,008.44/x
  3. Step 3: Cross multiply
    219,759.62x = 329,689.13 × 70,008.44
  4. Step 4: Simplify right side
    219,759.62x = 23,081,019,677.77
  5. Step 5: Solve for x
    x = 23,081,019,677.77/219,759.62
  6. Step 6: Final answer
    x = 105,028.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.