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Finding the Fourth Proportional to 220,059.18, 330,144.66 and 101,815.38

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Solution

The fourth proportional to 220,059.18, 330,144.66 and 101,815.38 is: 152,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,059.18 : 330,144.66 = 101,815.38 : x
  2. Step 2: Convert to fraction form
    220,059.18/330,144.66 = 101,815.38/x
  3. Step 3: Cross multiply
    220,059.18x = 330,144.66 × 101,815.38
  4. Step 4: Simplify right side
    220,059.18x = 33,613,804,012.87
  5. Step 5: Solve for x
    x = 33,613,804,012.87/220,059.18
  6. Step 6: Final answer
    x = 152,748.93

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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.