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Finding the Fourth Proportional to 272,798.48, 408,752.76 and 167,394.80

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Solution

The fourth proportional to 272,798.48, 408,752.76 and 167,394.80 is: 250,819.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,798.48 : 408,752.76 = 167,394.80 : x
  2. Step 2: Convert to fraction form
    272,798.48/408,752.76 = 167,394.80/x
  3. Step 3: Cross multiply
    272,798.48x = 408,752.76 × 167,394.80
  4. Step 4: Simplify right side
    272,798.48x = 68,423,086,509.65
  5. Step 5: Solve for x
    x = 68,423,086,509.65/272,798.48
  6. Step 6: Final answer
    x = 250,819.16

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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.