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Finding the Fourth Proportional to 229,094.40, 343,559.20 and 79,294

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Solution

The fourth proportional to 229,094.40, 343,559.20 and 79,294 is: 118,912.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,094.40 : 343,559.20 = 79,294 : x
  2. Step 2: Convert to fraction form
    229,094.40/343,559.20 = 79,294/x
  3. Step 3: Cross multiply
    229,094.40x = 343,559.20 × 79,294
  4. Step 4: Simplify right side
    229,094.40x = 27,242,183,204.80
  5. Step 5: Solve for x
    x = 27,242,183,204.80/229,094.40
  6. Step 6: Final answer
    x = 118,912.48

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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.