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Finding the Fourth Proportional to 219,883.02, 303,439.15 and 119,281.02

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Solution

The fourth proportional to 219,883.02, 303,439.15 and 119,281.02 is: 164,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,883.02 : 303,439.15 = 119,281.02 : x
  2. Step 2: Convert to fraction form
    219,883.02/303,439.15 = 119,281.02/x
  3. Step 3: Cross multiply
    219,883.02x = 303,439.15 × 119,281.02
  4. Step 4: Simplify right side
    219,883.02x = 36,194,529,883.83
  5. Step 5: Solve for x
    x = 36,194,529,883.83/219,883.02
  6. Step 6: Final answer
    x = 164,608.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.