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Finding the Fourth Proportional to 229,392.80, 344,092.65 and 79,637.85

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Solution

The fourth proportional to 229,392.80, 344,092.65 and 79,637.85 is: 119,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,392.80 : 344,092.65 = 79,637.85 : x
  2. Step 2: Convert to fraction form
    229,392.80/344,092.65 = 79,637.85/x
  3. Step 3: Cross multiply
    229,392.80x = 344,092.65 × 79,637.85
  4. Step 4: Simplify right side
    229,392.80x = 27,402,797,855.10
  5. Step 5: Solve for x
    x = 27,402,797,855.10/229,392.80
  6. Step 6: Final answer
    x = 119,457.97

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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.