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Finding the Fourth Proportional to 219,602.31, 329,400.00 and 69,840.44

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Solution

The fourth proportional to 219,602.31, 329,400.00 and 69,840.44 is: 104,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,602.31 : 329,400.00 = 69,840.44 : x
  2. Step 2: Convert to fraction form
    219,602.31/329,400.00 = 69,840.44/x
  3. Step 3: Cross multiply
    219,602.31x = 329,400.00 × 69,840.44
  4. Step 4: Simplify right side
    219,602.31x = 23,005,439,608.26
  5. Step 5: Solve for x
    x = 23,005,439,608.26/219,602.31
  6. Step 6: Final answer
    x = 104,759.55

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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.