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Finding the Fourth Proportional to 219,273.77, 328,952.12 and 69,551.75

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Solution

The fourth proportional to 219,273.77, 328,952.12 and 69,551.75 is: 104,340.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,273.77 : 328,952.12 = 69,551.75 : x
  2. Step 2: Convert to fraction form
    219,273.77/328,952.12 = 69,551.75/x
  3. Step 3: Cross multiply
    219,273.77x = 328,952.12 × 69,551.75
  4. Step 4: Simplify right side
    219,273.77x = 22,879,193,619.69
  5. Step 5: Solve for x
    x = 22,879,193,619.69/219,273.77
  6. Step 6: Final answer
    x = 104,340.77

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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.