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Finding the Fourth Proportional to 219,598.07, 329,429.88 and 69,843.24

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Solution

The fourth proportional to 219,598.07, 329,429.88 and 69,843.24 is: 104,775.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,598.07 : 329,429.88 = 69,843.24 : x
  2. Step 2: Convert to fraction form
    219,598.07/329,429.88 = 69,843.24/x
  3. Step 3: Cross multiply
    219,598.07x = 329,429.88 × 69,843.24
  4. Step 4: Simplify right side
    219,598.07x = 23,008,450,172.01
  5. Step 5: Solve for x
    x = 23,008,450,172.01/219,598.07
  6. Step 6: Final answer
    x = 104,775.29

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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.