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Finding the Fourth Proportional to 229,968.80, 344,953.20 and 167,760.80

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Solution

The fourth proportional to 229,968.80, 344,953.20 and 167,760.80 is: 251,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,968.80 : 344,953.20 = 167,760.80 : x
  2. Step 2: Convert to fraction form
    229,968.80/344,953.20 = 167,760.80/x
  3. Step 3: Cross multiply
    229,968.80x = 344,953.20 × 167,760.80
  4. Step 4: Simplify right side
    229,968.80x = 57,869,624,794.56
  5. Step 5: Solve for x
    x = 57,869,624,794.56/229,968.80
  6. Step 6: Final answer
    x = 251,641.20

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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.