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Finding the Fourth Proportional to 229,093.40, 343,557.70 and 79,293

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Solution

The fourth proportional to 229,093.40, 343,557.70 and 79,293 is: 118,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,093.40 : 343,557.70 = 79,293 : x
  2. Step 2: Convert to fraction form
    229,093.40/343,557.70 = 79,293/x
  3. Step 3: Cross multiply
    229,093.40x = 343,557.70 × 79,293
  4. Step 4: Simplify right side
    229,093.40x = 27,241,720,706.10
  5. Step 5: Solve for x
    x = 27,241,720,706.10/229,093.40
  6. Step 6: Final answer
    x = 118,910.98

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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.