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Finding the Fourth Proportional to 219,362.54, 329,179.90 and 101,050.70

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Solution

The fourth proportional to 219,362.54, 329,179.90 and 101,050.70 is: 151,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,362.54 : 329,179.90 = 101,050.70 : x
  2. Step 2: Convert to fraction form
    219,362.54/329,179.90 = 101,050.70/x
  3. Step 3: Cross multiply
    219,362.54x = 329,179.90 × 101,050.70
  4. Step 4: Simplify right side
    219,362.54x = 33,263,859,320.93
  5. Step 5: Solve for x
    x = 33,263,859,320.93/219,362.54
  6. Step 6: Final answer
    x = 151,638.74

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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.