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Finding the Fourth Proportional to 220,633,028.88, 330,719,645.88 and 123,446,248.08

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Solution

The fourth proportional to 220,633,028.88, 330,719,645.88 and 123,446,248.08 is: 185,040,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,633,028.88 : 330,719,645.88 = 123,446,248.08 : x
  2. Step 2: Convert to fraction form
    220,633,028.88/330,719,645.88 = 123,446,248.08/x
  3. Step 3: Cross multiply
    220,633,028.88x = 330,719,645.88 × 123,446,248.08
  4. Step 4: Simplify right side
    220,633,028.88x = 40,826,099,450,232,232
  5. Step 5: Solve for x
    x = 40,826,099,450,232,232/220,633,028.88
  6. Step 6: Final answer
    x = 185,040,742.35

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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.