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Finding the Fourth Proportional to 220,051.30, 303,669.66 and 119,449.30

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Solution

The fourth proportional to 220,051.30, 303,669.66 and 119,449.30 is: 164,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,051.30 : 303,669.66 = 119,449.30 : x
  2. Step 2: Convert to fraction form
    220,051.30/303,669.66 = 119,449.30/x
  3. Step 3: Cross multiply
    220,051.30x = 303,669.66 × 119,449.30
  4. Step 4: Simplify right side
    220,051.30x = 36,273,128,318.24
  5. Step 5: Solve for x
    x = 36,273,128,318.24/220,051.30
  6. Step 6: Final answer
    x = 164,839.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.