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Finding the Fourth Proportional to 229,265.94, 343,903.02 and 79,511.52

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Solution

The fourth proportional to 229,265.94, 343,903.02 and 79,511.52 is: 119,268.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,265.94 : 343,903.02 = 79,511.52 : x
  2. Step 2: Convert to fraction form
    229,265.94/343,903.02 = 79,511.52/x
  3. Step 3: Cross multiply
    229,265.94x = 343,903.02 × 79,511.52
  4. Step 4: Simplify right side
    229,265.94x = 27,344,251,852.79
  5. Step 5: Solve for x
    x = 27,344,251,852.79/229,265.94
  6. Step 6: Final answer
    x = 119,268.71

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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.