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Finding the Fourth Proportional to 167,456.40, 251,160.30 and 49,115.40

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Solution

The fourth proportional to 167,456.40, 251,160.30 and 49,115.40 is: 73,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,456.40 : 251,160.30 = 49,115.40 : x
  2. Step 2: Convert to fraction form
    167,456.40/251,160.30 = 49,115.40/x
  3. Step 3: Cross multiply
    167,456.40x = 251,160.30 × 49,115.40
  4. Step 4: Simplify right side
    167,456.40x = 12,335,838,598.62
  5. Step 5: Solve for x
    x = 12,335,838,598.62/167,456.40
  6. Step 6: Final answer
    x = 73,665.97

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1.5x scale

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.