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Finding the Fourth Proportional to 229,563.79, 344,148.46 and 79,784.62

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Solution

The fourth proportional to 229,563.79, 344,148.46 and 79,784.62 is: 119,608.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,563.79 : 344,148.46 = 79,784.62 : x
  2. Step 2: Convert to fraction form
    229,563.79/344,148.46 = 79,784.62/x
  3. Step 3: Cross multiply
    229,563.79x = 344,148.46 × 79,784.62
  4. Step 4: Simplify right side
    229,563.79x = 27,457,751,985.02
  5. Step 5: Solve for x
    x = 27,457,751,985.02/229,563.79
  6. Step 6: Final answer
    x = 119,608.38

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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.