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Finding the Fourth Proportional to 219,716.89, 303,237.24 and 122,926.11

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Solution

The fourth proportional to 219,716.89, 303,237.24 and 122,926.11 is: 169,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,716.89 : 303,237.24 = 122,926.11 : x
  2. Step 2: Convert to fraction form
    219,716.89/303,237.24 = 122,926.11/x
  3. Step 3: Cross multiply
    219,716.89x = 303,237.24 × 122,926.11
  4. Step 4: Simplify right side
    219,716.89x = 37,275,772,722.22
  5. Step 5: Solve for x
    x = 37,275,772,722.22/219,716.89
  6. Step 6: Final answer
    x = 169,653.65

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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.