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Finding the Fourth Proportional to 118,040.92, 177,046.66 and 47,852.80

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Solution

The fourth proportional to 118,040.92, 177,046.66 and 47,852.80 is: 71,773.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,040.92 : 177,046.66 = 47,852.80 : x
  2. Step 2: Convert to fraction form
    118,040.92/177,046.66 = 47,852.80/x
  3. Step 3: Cross multiply
    118,040.92x = 177,046.66 × 47,852.80
  4. Step 4: Simplify right side
    118,040.92x = 8,472,178,411.65
  5. Step 5: Solve for x
    x = 8,472,178,411.65/118,040.92
  6. Step 6: Final answer
    x = 71,773.23

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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.