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Finding the Fourth Proportional to 220,028.33, 329,989.65 and 101,585.87

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Solution

The fourth proportional to 220,028.33, 329,989.65 and 101,585.87 is: 152,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,028.33 : 329,989.65 = 101,585.87 : x
  2. Step 2: Convert to fraction form
    220,028.33/329,989.65 = 101,585.87/x
  3. Step 3: Cross multiply
    220,028.33x = 329,989.65 × 101,585.87
  4. Step 4: Simplify right side
    220,028.33x = 33,522,285,686.25
  5. Step 5: Solve for x
    x = 33,522,285,686.25/220,028.33
  6. Step 6: Final answer
    x = 152,354.41

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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.