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Finding the Fourth Proportional to 229,563.29, 344,147.70 and 79,784.12

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Solution

The fourth proportional to 229,563.29, 344,147.70 and 79,784.12 is: 119,607.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,563.29 : 344,147.70 = 79,784.12 : x
  2. Step 2: Convert to fraction form
    229,563.29/344,147.70 = 79,784.12/x
  3. Step 3: Cross multiply
    229,563.29x = 344,147.70 × 79,784.12
  4. Step 4: Simplify right side
    229,563.29x = 27,457,521,394.52
  5. Step 5: Solve for x
    x = 27,457,521,394.52/229,563.29
  6. Step 6: Final answer
    x = 119,607.63

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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.