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Finding the Fourth Proportional to 219,559.01, 329,294.77 and 101,213.15

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Solution

The fourth proportional to 219,559.01, 329,294.77 and 101,213.15 is: 151,799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,559.01 : 329,294.77 = 101,213.15 : x
  2. Step 2: Convert to fraction form
    219,559.01/329,294.77 = 101,213.15/x
  3. Step 3: Cross multiply
    219,559.01x = 329,294.77 × 101,213.15
  4. Step 4: Simplify right side
    219,559.01x = 33,328,959,050.72
  5. Step 5: Solve for x
    x = 33,328,959,050.72/219,559.01
  6. Step 6: Final answer
    x = 151,799.55

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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.