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Finding the Fourth Proportional to 225,927.48, 338,775.44 and 119,368.64

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Solution

The fourth proportional to 225,927.48, 338,775.44 and 119,368.64 is: 178,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,927.48 : 338,775.44 = 119,368.64 : x
  2. Step 2: Convert to fraction form
    225,927.48/338,775.44 = 119,368.64/x
  3. Step 3: Cross multiply
    225,927.48x = 338,775.44 × 119,368.64
  4. Step 4: Simplify right side
    225,927.48x = 40,439,163,538.20
  5. Step 5: Solve for x
    x = 40,439,163,538.20/225,927.48
  6. Step 6: Final answer
    x = 178,991.79

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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.