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Finding the Fourth Proportional to 167,648.76, 251,472.74 and 49,319.91

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Solution

The fourth proportional to 167,648.76, 251,472.74 and 49,319.91 is: 73,979.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,648.76 : 251,472.74 = 49,319.91 : x
  2. Step 2: Convert to fraction form
    167,648.76/251,472.74 = 49,319.91/x
  3. Step 3: Cross multiply
    167,648.76x = 251,472.74 × 49,319.91
  4. Step 4: Simplify right side
    167,648.76x = 12,402,612,657.65
  5. Step 5: Solve for x
    x = 12,402,612,657.65/167,648.76
  6. Step 6: Final answer
    x = 73,979.75

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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.