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Finding the Fourth Proportional to 219,705.30, 329,181.66 and 119,935.44

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Solution

The fourth proportional to 219,705.30, 329,181.66 and 119,935.44 is: 179,697.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,705.30 : 329,181.66 = 119,935.44 : x
  2. Step 2: Convert to fraction form
    219,705.30/329,181.66 = 119,935.44/x
  3. Step 3: Cross multiply
    219,705.30x = 329,181.66 × 119,935.44
  4. Step 4: Simplify right side
    219,705.30x = 39,480,547,232.03
  5. Step 5: Solve for x
    x = 39,480,547,232.03/219,705.30
  6. Step 6: Final answer
    x = 179,697.75

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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.